Home / 5,820.80-8,031.56-3,302.30

Finding the Fourth Proportional to 5,820.80, 8,031.56 and 3,302.30

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Solution

The fourth proportional to 5,820.80, 8,031.56 and 3,302.30 is: 4,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.80 : 8,031.56 = 3,302.30 : x
  2. Step 2: Convert to fraction form
    5,820.80/8,031.56 = 3,302.30/x
  3. Step 3: Cross multiply
    5,820.80x = 8,031.56 × 3,302.30
  4. Step 4: Simplify right side
    5,820.80x = 26,522,624.16
  5. Step 5: Solve for x
    x = 26,522,624.16/5,820.80
  6. Step 6: Final answer
    x = 4,556.53

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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.