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Finding the Fourth Proportional to 3,934.65, 5,902.71 and 1,743.45

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Solution

The fourth proportional to 3,934.65, 5,902.71 and 1,743.45 is: 2,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.65 : 5,902.71 = 1,743.45 : x
  2. Step 2: Convert to fraction form
    3,934.65/5,902.71 = 1,743.45/x
  3. Step 3: Cross multiply
    3,934.65x = 5,902.71 × 1,743.45
  4. Step 4: Simplify right side
    3,934.65x = 10,291,079.75
  5. Step 5: Solve for x
    x = 10,291,079.75/3,934.65
  6. Step 6: Final answer
    x = 2,615.50

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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.