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Finding the Fourth Proportional to 3,607.94, 5,412.12 and 1,011.08

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Solution

The fourth proportional to 3,607.94, 5,412.12 and 1,011.08 is: 1,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.94 : 5,412.12 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    3,607.94/5,412.12 = 1,011.08/x
  3. Step 3: Cross multiply
    3,607.94x = 5,412.12 × 1,011.08
  4. Step 4: Simplify right side
    3,607.94x = 5,472,086.29
  5. Step 5: Solve for x
    x = 5,472,086.29/3,607.94
  6. Step 6: Final answer
    x = 1,516.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.