Home / 5,179.28-7,773.88-4,032.40

Finding the Fourth Proportional to 5,179.28, 7,773.88 and 4,032.40

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Solution

The fourth proportional to 5,179.28, 7,773.88 and 4,032.40 is: 6,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.28 : 7,773.88 = 4,032.40 : x
  2. Step 2: Convert to fraction form
    5,179.28/7,773.88 = 4,032.40/x
  3. Step 3: Cross multiply
    5,179.28x = 7,773.88 × 4,032.40
  4. Step 4: Simplify right side
    5,179.28x = 31,347,393.71
  5. Step 5: Solve for x
    x = 31,347,393.71/5,179.28
  6. Step 6: Final answer
    x = 6,052.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.