Home / 5,513.12-8,264.24-2,225.36

Finding the Fourth Proportional to 5,513.12, 8,264.24 and 2,225.36

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Solution

The fourth proportional to 5,513.12, 8,264.24 and 2,225.36 is: 3,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.12 : 8,264.24 = 2,225.36 : x
  2. Step 2: Convert to fraction form
    5,513.12/8,264.24 = 2,225.36/x
  3. Step 3: Cross multiply
    5,513.12x = 8,264.24 × 2,225.36
  4. Step 4: Simplify right side
    5,513.12x = 18,390,909.13
  5. Step 5: Solve for x
    x = 18,390,909.13/5,513.12
  6. Step 6: Final answer
    x = 3,335.84

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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.