Home / 7,515.36-11,274.15-2,320.02

Finding the Fourth Proportional to 7,515.36, 11,274.15 and 2,320.02

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Solution

The fourth proportional to 7,515.36, 11,274.15 and 2,320.02 is: 3,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.36 : 11,274.15 = 2,320.02 : x
  2. Step 2: Convert to fraction form
    7,515.36/11,274.15 = 2,320.02/x
  3. Step 3: Cross multiply
    7,515.36x = 11,274.15 × 2,320.02
  4. Step 4: Simplify right side
    7,515.36x = 26,156,253.48
  5. Step 5: Solve for x
    x = 26,156,253.48/7,515.36
  6. Step 6: Final answer
    x = 3,480.37

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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.