Home / 5,920.28-8,170.98-3,562.64

Finding the Fourth Proportional to 5,920.28, 8,170.98 and 3,562.64

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Solution

The fourth proportional to 5,920.28, 8,170.98 and 3,562.64 is: 4,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.28 : 8,170.98 = 3,562.64 : x
  2. Step 2: Convert to fraction form
    5,920.28/8,170.98 = 3,562.64/x
  3. Step 3: Cross multiply
    5,920.28x = 8,170.98 × 3,562.64
  4. Step 4: Simplify right side
    5,920.28x = 29,110,260.19
  5. Step 5: Solve for x
    x = 29,110,260.19/5,920.28
  6. Step 6: Final answer
    x = 4,917.04

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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.