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Finding the Fourth Proportional to 4,275.74, 5,899.74 and 2,387.32

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Solution

The fourth proportional to 4,275.74, 5,899.74 and 2,387.32 is: 3,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.74 : 5,899.74 = 2,387.32 : x
  2. Step 2: Convert to fraction form
    4,275.74/5,899.74 = 2,387.32/x
  3. Step 3: Cross multiply
    4,275.74x = 5,899.74 × 2,387.32
  4. Step 4: Simplify right side
    4,275.74x = 14,084,576.78
  5. Step 5: Solve for x
    x = 14,084,576.78/4,275.74
  6. Step 6: Final answer
    x = 3,294.07

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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.