Home / 5,587.66-7,712.52-3,198.97

Finding the Fourth Proportional to 5,587.66, 7,712.52 and 3,198.97

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Solution

The fourth proportional to 5,587.66, 7,712.52 and 3,198.97 is: 4,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.66 : 7,712.52 = 3,198.97 : x
  2. Step 2: Convert to fraction form
    5,587.66/7,712.52 = 3,198.97/x
  3. Step 3: Cross multiply
    5,587.66x = 7,712.52 × 3,198.97
  4. Step 4: Simplify right side
    5,587.66x = 24,672,128.10
  5. Step 5: Solve for x
    x = 24,672,128.10/5,587.66
  6. Step 6: Final answer
    x = 4,415.47

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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.