Home / 5,254.96-7,251.80-2,864.89

Finding the Fourth Proportional to 5,254.96, 7,251.80 and 2,864.89

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Solution

The fourth proportional to 5,254.96, 7,251.80 and 2,864.89 is: 3,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.96 : 7,251.80 = 2,864.89 : x
  2. Step 2: Convert to fraction form
    5,254.96/7,251.80 = 2,864.89/x
  3. Step 3: Cross multiply
    5,254.96x = 7,251.80 × 2,864.89
  4. Step 4: Simplify right side
    5,254.96x = 20,775,609.30
  5. Step 5: Solve for x
    x = 20,775,609.30/5,254.96
  6. Step 6: Final answer
    x = 3,953.52

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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.