Home / 5,603.13-8,408.25-5,077.11

Finding the Fourth Proportional to 5,603.13, 8,408.25 and 5,077.11

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Solution

The fourth proportional to 5,603.13, 8,408.25 and 5,077.11 is: 7,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.13 : 8,408.25 = 5,077.11 : x
  2. Step 2: Convert to fraction form
    5,603.13/8,408.25 = 5,077.11/x
  3. Step 3: Cross multiply
    5,603.13x = 8,408.25 × 5,077.11
  4. Step 4: Simplify right side
    5,603.13x = 42,689,603.76
  5. Step 5: Solve for x
    x = 42,689,603.76/5,603.13
  6. Step 6: Final answer
    x = 7,618.88

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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.