Home / 5,514.19-7,609.58-3,030.19

Finding the Fourth Proportional to 5,514.19, 7,609.58 and 3,030.19

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Solution

The fourth proportional to 5,514.19, 7,609.58 and 3,030.19 is: 4,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.19 : 7,609.58 = 3,030.19 : x
  2. Step 2: Convert to fraction form
    5,514.19/7,609.58 = 3,030.19/x
  3. Step 3: Cross multiply
    5,514.19x = 7,609.58 × 3,030.19
  4. Step 4: Simplify right side
    5,514.19x = 23,058,450.41
  5. Step 5: Solve for x
    x = 23,058,450.41/5,514.19
  6. Step 6: Final answer
    x = 4,181.66

Related Problems

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Half scale
Find fourth proportional to 11,028.38, 15,219.16 and 6,060.38
Double scale
Find fourth proportional to 5,515.19, 7,610.96 and 3,031.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.