Home / 5,515.28-7,610.26-3,157.04

Finding the Fourth Proportional to 5,515.28, 7,610.26 and 3,157.04

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Solution

The fourth proportional to 5,515.28, 7,610.26 and 3,157.04 is: 4,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.28 : 7,610.26 = 3,157.04 : x
  2. Step 2: Convert to fraction form
    5,515.28/7,610.26 = 3,157.04/x
  3. Step 3: Cross multiply
    5,515.28x = 7,610.26 × 3,157.04
  4. Step 4: Simplify right side
    5,515.28x = 24,025,895.23
  5. Step 5: Solve for x
    x = 24,025,895.23/5,515.28
  6. Step 6: Final answer
    x = 4,356.24

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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.