Home / 5,911.32-8,862.19-2,213.02

Finding the Fourth Proportional to 5,911.32, 8,862.19 and 2,213.02

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Solution

The fourth proportional to 5,911.32, 8,862.19 and 2,213.02 is: 3,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.32 : 8,862.19 = 2,213.02 : x
  2. Step 2: Convert to fraction form
    5,911.32/8,862.19 = 2,213.02/x
  3. Step 3: Cross multiply
    5,911.32x = 8,862.19 × 2,213.02
  4. Step 4: Simplify right side
    5,911.32x = 19,612,203.71
  5. Step 5: Solve for x
    x = 19,612,203.71/5,911.32
  6. Step 6: Final answer
    x = 3,317.74

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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.