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Finding the Fourth Proportional to 5,754.59, 7,941.74 and 3,397.49

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Solution

The fourth proportional to 5,754.59, 7,941.74 and 3,397.49 is: 4,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.59 : 7,941.74 = 3,397.49 : x
  2. Step 2: Convert to fraction form
    5,754.59/7,941.74 = 3,397.49/x
  3. Step 3: Cross multiply
    5,754.59x = 7,941.74 × 3,397.49
  4. Step 4: Simplify right side
    5,754.59x = 26,981,925.54
  5. Step 5: Solve for x
    x = 26,981,925.54/5,754.59
  6. Step 6: Final answer
    x = 4,688.77

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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.