Home / 5,711.18-8,565.12-2,200.91

Finding the Fourth Proportional to 5,711.18, 8,565.12 and 2,200.91

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Solution

The fourth proportional to 5,711.18, 8,565.12 and 2,200.91 is: 3,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.18 : 8,565.12 = 2,200.91 : x
  2. Step 2: Convert to fraction form
    5,711.18/8,565.12 = 2,200.91/x
  3. Step 3: Cross multiply
    5,711.18x = 8,565.12 × 2,200.91
  4. Step 4: Simplify right side
    5,711.18x = 18,851,015.43
  5. Step 5: Solve for x
    x = 18,851,015.43/5,711.18
  6. Step 6: Final answer
    x = 3,300.72

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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.