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Finding the Fourth Proportional to 3,598.68, 5,398.92 and 1,133.40

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Solution

The fourth proportional to 3,598.68, 5,398.92 and 1,133.40 is: 1,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.68 : 5,398.92 = 1,133.40 : x
  2. Step 2: Convert to fraction form
    3,598.68/5,398.92 = 1,133.40/x
  3. Step 3: Cross multiply
    3,598.68x = 5,398.92 × 1,133.40
  4. Step 4: Simplify right side
    3,598.68x = 6,119,135.93
  5. Step 5: Solve for x
    x = 6,119,135.93/3,598.68
  6. Step 6: Final answer
    x = 1,700.38

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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.