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Finding the Fourth Proportional to 1,738.10, 2,398.57 and 952.15

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Solution

The fourth proportional to 1,738.10, 2,398.57 and 952.15 is: 1,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.10 : 2,398.57 = 952.15 : x
  2. Step 2: Convert to fraction form
    1,738.10/2,398.57 = 952.15/x
  3. Step 3: Cross multiply
    1,738.10x = 2,398.57 × 952.15
  4. Step 4: Simplify right side
    1,738.10x = 2,283,793.66
  5. Step 5: Solve for x
    x = 2,283,793.66/1,738.10
  6. Step 6: Final answer
    x = 1,313.96

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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.