Home / 7,587.91-11,374.66-2,654.34

Finding the Fourth Proportional to 7,587.91, 11,374.66 and 2,654.34

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Solution

The fourth proportional to 7,587.91, 11,374.66 and 2,654.34 is: 3,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.91 : 11,374.66 = 2,654.34 : x
  2. Step 2: Convert to fraction form
    7,587.91/11,374.66 = 2,654.34/x
  3. Step 3: Cross multiply
    7,587.91x = 11,374.66 × 2,654.34
  4. Step 4: Simplify right side
    7,587.91x = 30,192,215.02
  5. Step 5: Solve for x
    x = 30,192,215.02/7,587.91
  6. Step 6: Final answer
    x = 3,978.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.