Home / 5,717.40-8,612.31-5,200.74

Finding the Fourth Proportional to 5,717.40, 8,612.31 and 5,200.74

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Solution

The fourth proportional to 5,717.40, 8,612.31 and 5,200.74 is: 7,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.40 : 8,612.31 = 5,200.74 : x
  2. Step 2: Convert to fraction form
    5,717.40/8,612.31 = 5,200.74/x
  3. Step 3: Cross multiply
    5,717.40x = 8,612.31 × 5,200.74
  4. Step 4: Simplify right side
    5,717.40x = 44,790,385.11
  5. Step 5: Solve for x
    x = 44,790,385.11/5,717.40
  6. Step 6: Final answer
    x = 7,834.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.