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Finding the Fourth Proportional to 5,435.88, 7,501.51 and 2,951.88

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Solution

The fourth proportional to 5,435.88, 7,501.51 and 2,951.88 is: 4,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.88 : 7,501.51 = 2,951.88 : x
  2. Step 2: Convert to fraction form
    5,435.88/7,501.51 = 2,951.88/x
  3. Step 3: Cross multiply
    5,435.88x = 7,501.51 × 2,951.88
  4. Step 4: Simplify right side
    5,435.88x = 22,143,557.34
  5. Step 5: Solve for x
    x = 22,143,557.34/5,435.88
  6. Step 6: Final answer
    x = 4,073.59

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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.