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Finding the Fourth Proportional to 3,803.96, 5,248.99 and 2,124.92

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Solution

The fourth proportional to 3,803.96, 5,248.99 and 2,124.92 is: 2,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.96 : 5,248.99 = 2,124.92 : x
  2. Step 2: Convert to fraction form
    3,803.96/5,248.99 = 2,124.92/x
  3. Step 3: Cross multiply
    3,803.96x = 5,248.99 × 2,124.92
  4. Step 4: Simplify right side
    3,803.96x = 11,153,683.83
  5. Step 5: Solve for x
    x = 11,153,683.83/3,803.96
  6. Step 6: Final answer
    x = 2,932.12

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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.