Home / 7,541.68-11,307.95-3,380.91

Finding the Fourth Proportional to 7,541.68, 11,307.95 and 3,380.91

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Solution

The fourth proportional to 7,541.68, 11,307.95 and 3,380.91 is: 5,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.68 : 11,307.95 = 3,380.91 : x
  2. Step 2: Convert to fraction form
    7,541.68/11,307.95 = 3,380.91/x
  3. Step 3: Cross multiply
    7,541.68x = 11,307.95 × 3,380.91
  4. Step 4: Simplify right side
    7,541.68x = 38,231,161.23
  5. Step 5: Solve for x
    x = 38,231,161.23/7,541.68
  6. Step 6: Final answer
    x = 5,069.32

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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.