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Finding the Fourth Proportional to 3,332.84, 5,001.42 and 1,386.44

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Solution

The fourth proportional to 3,332.84, 5,001.42 and 1,386.44 is: 2,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.84 : 5,001.42 = 1,386.44 : x
  2. Step 2: Convert to fraction form
    3,332.84/5,001.42 = 1,386.44/x
  3. Step 3: Cross multiply
    3,332.84x = 5,001.42 × 1,386.44
  4. Step 4: Simplify right side
    3,332.84x = 6,934,168.74
  5. Step 5: Solve for x
    x = 6,934,168.74/3,332.84
  6. Step 6: Final answer
    x = 2,080.56

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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.