Home / 7,547.24-11,318.70-2,615.60

Finding the Fourth Proportional to 7,547.24, 11,318.70 and 2,615.60

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Solution

The fourth proportional to 7,547.24, 11,318.70 and 2,615.60 is: 3,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.24 : 11,318.70 = 2,615.60 : x
  2. Step 2: Convert to fraction form
    7,547.24/11,318.70 = 2,615.60/x
  3. Step 3: Cross multiply
    7,547.24x = 11,318.70 × 2,615.60
  4. Step 4: Simplify right side
    7,547.24x = 29,605,191.72
  5. Step 5: Solve for x
    x = 29,605,191.72/7,547.24
  6. Step 6: Final answer
    x = 3,922.65

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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.