Home / 5,469.12-8,207.33-2,547.72

Finding the Fourth Proportional to 5,469.12, 8,207.33 and 2,547.72

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Solution

The fourth proportional to 5,469.12, 8,207.33 and 2,547.72 is: 3,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.12 : 8,207.33 = 2,547.72 : x
  2. Step 2: Convert to fraction form
    5,469.12/8,207.33 = 2,547.72/x
  3. Step 3: Cross multiply
    5,469.12x = 8,207.33 × 2,547.72
  4. Step 4: Simplify right side
    5,469.12x = 20,909,966.05
  5. Step 5: Solve for x
    x = 20,909,966.05/5,469.12
  6. Step 6: Final answer
    x = 3,823.28

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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.