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Finding the Fourth Proportional to 5,432.78, 7,497.95 and 3,074.93

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Solution

The fourth proportional to 5,432.78, 7,497.95 and 3,074.93 is: 4,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.78 : 7,497.95 = 3,074.93 : x
  2. Step 2: Convert to fraction form
    5,432.78/7,497.95 = 3,074.93/x
  3. Step 3: Cross multiply
    5,432.78x = 7,497.95 × 3,074.93
  4. Step 4: Simplify right side
    5,432.78x = 23,055,671.39
  5. Step 5: Solve for x
    x = 23,055,671.39/5,432.78
  6. Step 6: Final answer
    x = 4,243.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.