Home / 5,587.88-8,377.02-3,120.68

Finding the Fourth Proportional to 5,587.88, 8,377.02 and 3,120.68

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Solution

The fourth proportional to 5,587.88, 8,377.02 and 3,120.68 is: 4,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.88 : 8,377.02 = 3,120.68 : x
  2. Step 2: Convert to fraction form
    5,587.88/8,377.02 = 3,120.68/x
  3. Step 3: Cross multiply
    5,587.88x = 8,377.02 × 3,120.68
  4. Step 4: Simplify right side
    5,587.88x = 26,141,998.77
  5. Step 5: Solve for x
    x = 26,141,998.77/5,587.88
  6. Step 6: Final answer
    x = 4,678.34

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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.