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Finding the Fourth Proportional to 3,803.42, 5,248.62 and 2,124.74

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Solution

The fourth proportional to 3,803.42, 5,248.62 and 2,124.74 is: 2,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.42 : 5,248.62 = 2,124.74 : x
  2. Step 2: Convert to fraction form
    3,803.42/5,248.62 = 2,124.74/x
  3. Step 3: Cross multiply
    3,803.42x = 5,248.62 × 2,124.74
  4. Step 4: Simplify right side
    3,803.42x = 11,151,952.86
  5. Step 5: Solve for x
    x = 11,151,952.86/3,803.42
  6. Step 6: Final answer
    x = 2,932.09

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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.