Home / 7,581.72-11,372.52-2,316.72

Finding the Fourth Proportional to 7,581.72, 11,372.52 and 2,316.72

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Solution

The fourth proportional to 7,581.72, 11,372.52 and 2,316.72 is: 3,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.72 : 11,372.52 = 2,316.72 : x
  2. Step 2: Convert to fraction form
    7,581.72/11,372.52 = 2,316.72/x
  3. Step 3: Cross multiply
    7,581.72x = 11,372.52 × 2,316.72
  4. Step 4: Simplify right side
    7,581.72x = 26,346,944.53
  5. Step 5: Solve for x
    x = 26,346,944.53/7,581.72
  6. Step 6: Final answer
    x = 3,475.06

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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.