Home / 5,603.19-7,730.66-3,180.15

Finding the Fourth Proportional to 5,603.19, 7,730.66 and 3,180.15

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Solution

The fourth proportional to 5,603.19, 7,730.66 and 3,180.15 is: 4,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.19 : 7,730.66 = 3,180.15 : x
  2. Step 2: Convert to fraction form
    5,603.19/7,730.66 = 3,180.15/x
  3. Step 3: Cross multiply
    5,603.19x = 7,730.66 × 3,180.15
  4. Step 4: Simplify right side
    5,603.19x = 24,584,680.80
  5. Step 5: Solve for x
    x = 24,584,680.80/5,603.19
  6. Step 6: Final answer
    x = 4,387.63

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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.