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Finding the Fourth Proportional to 2,711.00, 3,737.57 and 2,153.32

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Solution

The fourth proportional to 2,711.00, 3,737.57 and 2,153.32 is: 2,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.00 : 3,737.57 = 2,153.32 : x
  2. Step 2: Convert to fraction form
    2,711.00/3,737.57 = 2,153.32/x
  3. Step 3: Cross multiply
    2,711.00x = 3,737.57 × 2,153.32
  4. Step 4: Simplify right side
    2,711.00x = 8,048,164.12
  5. Step 5: Solve for x
    x = 8,048,164.12/2,711.00
  6. Step 6: Final answer
    x = 2,968.70

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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.