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Finding the Fourth Proportional to 3,713.66, 5,124.79 and 2,035.07

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Solution

The fourth proportional to 3,713.66, 5,124.79 and 2,035.07 is: 2,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.66 : 5,124.79 = 2,035.07 : x
  2. Step 2: Convert to fraction form
    3,713.66/5,124.79 = 2,035.07/x
  3. Step 3: Cross multiply
    3,713.66x = 5,124.79 × 2,035.07
  4. Step 4: Simplify right side
    3,713.66x = 10,429,291.08
  5. Step 5: Solve for x
    x = 10,429,291.08/3,713.66
  6. Step 6: Final answer
    x = 2,808.36

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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.