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Finding the Fourth Proportional to 3,713.84, 5,125.10 and 2,035.20

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Solution

The fourth proportional to 3,713.84, 5,125.10 and 2,035.20 is: 2,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.84 : 5,125.10 = 2,035.20 : x
  2. Step 2: Convert to fraction form
    3,713.84/5,125.10 = 2,035.20/x
  3. Step 3: Cross multiply
    3,713.84x = 5,125.10 × 2,035.20
  4. Step 4: Simplify right side
    3,713.84x = 10,430,593.34
  5. Step 5: Solve for x
    x = 10,430,593.34/3,713.84
  6. Step 6: Final answer
    x = 2,808.58

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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.