Home / 7,603.47-11,408.85-3,705.75

Finding the Fourth Proportional to 7,603.47, 11,408.85 and 3,705.75

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Solution

The fourth proportional to 7,603.47, 11,408.85 and 3,705.75 is: 5,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.47 : 11,408.85 = 3,705.75 : x
  2. Step 2: Convert to fraction form
    7,603.47/11,408.85 = 3,705.75/x
  3. Step 3: Cross multiply
    7,603.47x = 11,408.85 × 3,705.75
  4. Step 4: Simplify right side
    7,603.47x = 42,278,345.89
  5. Step 5: Solve for x
    x = 42,278,345.89/7,603.47
  6. Step 6: Final answer
    x = 5,560.40

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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.