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Finding the Fourth Proportional to 1,714.13, 2,365.25 and 957.92

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Solution

The fourth proportional to 1,714.13, 2,365.25 and 957.92 is: 1,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.13 : 2,365.25 = 957.92 : x
  2. Step 2: Convert to fraction form
    1,714.13/2,365.25 = 957.92/x
  3. Step 3: Cross multiply
    1,714.13x = 2,365.25 × 957.92
  4. Step 4: Simplify right side
    1,714.13x = 2,265,703.66
  5. Step 5: Solve for x
    x = 2,265,703.66/1,714.13
  6. Step 6: Final answer
    x = 1,321.78

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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.