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Finding the Fourth Proportional to 3,158.39, 4,737.54 and 1,402.93

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Solution

The fourth proportional to 3,158.39, 4,737.54 and 1,402.93 is: 2,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.39 : 4,737.54 = 1,402.93 : x
  2. Step 2: Convert to fraction form
    3,158.39/4,737.54 = 1,402.93/x
  3. Step 3: Cross multiply
    3,158.39x = 4,737.54 × 1,402.93
  4. Step 4: Simplify right side
    3,158.39x = 6,646,448.18
  5. Step 5: Solve for x
    x = 6,646,448.18/3,158.39
  6. Step 6: Final answer
    x = 2,104.38

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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.