Home / 5,531.52-7,640.10-4,037.16

Finding the Fourth Proportional to 5,531.52, 7,640.10 and 4,037.16

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Solution

The fourth proportional to 5,531.52, 7,640.10 and 4,037.16 is: 5,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.52 : 7,640.10 = 4,037.16 : x
  2. Step 2: Convert to fraction form
    5,531.52/7,640.10 = 4,037.16/x
  3. Step 3: Cross multiply
    5,531.52x = 7,640.10 × 4,037.16
  4. Step 4: Simplify right side
    5,531.52x = 30,844,306.12
  5. Step 5: Solve for x
    x = 30,844,306.12/5,531.52
  6. Step 6: Final answer
    x = 5,576.10

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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.