Home / 7,540.51-11,311.98-2,862.49

Finding the Fourth Proportional to 7,540.51, 11,311.98 and 2,862.49

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Solution

The fourth proportional to 7,540.51, 11,311.98 and 2,862.49 is: 4,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.51 : 11,311.98 = 2,862.49 : x
  2. Step 2: Convert to fraction form
    7,540.51/11,311.98 = 2,862.49/x
  3. Step 3: Cross multiply
    7,540.51x = 11,311.98 × 2,862.49
  4. Step 4: Simplify right side
    7,540.51x = 32,380,429.63
  5. Step 5: Solve for x
    x = 32,380,429.63/7,540.51
  6. Step 6: Final answer
    x = 4,294.20

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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.