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Finding the Fourth Proportional to 3,711.42, 5,569.95 and 1,373.64

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Solution

The fourth proportional to 3,711.42, 5,569.95 and 1,373.64 is: 2,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.42 : 5,569.95 = 1,373.64 : x
  2. Step 2: Convert to fraction form
    3,711.42/5,569.95 = 1,373.64/x
  3. Step 3: Cross multiply
    3,711.42x = 5,569.95 × 1,373.64
  4. Step 4: Simplify right side
    3,711.42x = 7,651,106.12
  5. Step 5: Solve for x
    x = 7,651,106.12/3,711.42
  6. Step 6: Final answer
    x = 2,061.50

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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.