Home / 5,514.57-7,610.10-3,030.57

Finding the Fourth Proportional to 5,514.57, 7,610.10 and 3,030.57

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Solution

The fourth proportional to 5,514.57, 7,610.10 and 3,030.57 is: 4,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.57 : 7,610.10 = 3,030.57 : x
  2. Step 2: Convert to fraction form
    5,514.57/7,610.10 = 3,030.57/x
  3. Step 3: Cross multiply
    5,514.57x = 7,610.10 × 3,030.57
  4. Step 4: Simplify right side
    5,514.57x = 23,062,940.76
  5. Step 5: Solve for x
    x = 23,062,940.76/5,514.57
  6. Step 6: Final answer
    x = 4,182.18

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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.