Home / 7,445.92-11,170.50-2,515.35

Finding the Fourth Proportional to 7,445.92, 11,170.50 and 2,515.35

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Solution

The fourth proportional to 7,445.92, 11,170.50 and 2,515.35 is: 3,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.92 : 11,170.50 = 2,515.35 : x
  2. Step 2: Convert to fraction form
    7,445.92/11,170.50 = 2,515.35/x
  3. Step 3: Cross multiply
    7,445.92x = 11,170.50 × 2,515.35
  4. Step 4: Simplify right side
    7,445.92x = 28,097,717.18
  5. Step 5: Solve for x
    x = 28,097,717.18/7,445.92
  6. Step 6: Final answer
    x = 3,773.57

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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.