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Finding the Fourth Proportional to 1,877.77, 2,592.17 and 1,249.41

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Solution

The fourth proportional to 1,877.77, 2,592.17 and 1,249.41 is: 1,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.77 : 2,592.17 = 1,249.41 : x
  2. Step 2: Convert to fraction form
    1,877.77/2,592.17 = 1,249.41/x
  3. Step 3: Cross multiply
    1,877.77x = 2,592.17 × 1,249.41
  4. Step 4: Simplify right side
    1,877.77x = 3,238,683.12
  5. Step 5: Solve for x
    x = 3,238,683.12/1,877.77
  6. Step 6: Final answer
    x = 1,724.75

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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.