Home / 7,167.22-10,751.51-2,785.02

Finding the Fourth Proportional to 7,167.22, 10,751.51 and 2,785.02

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Solution

The fourth proportional to 7,167.22, 10,751.51 and 2,785.02 is: 4,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.22 : 10,751.51 = 2,785.02 : x
  2. Step 2: Convert to fraction form
    7,167.22/10,751.51 = 2,785.02/x
  3. Step 3: Cross multiply
    7,167.22x = 10,751.51 × 2,785.02
  4. Step 4: Simplify right side
    7,167.22x = 29,943,150.46
  5. Step 5: Solve for x
    x = 29,943,150.46/7,167.22
  6. Step 6: Final answer
    x = 4,177.79

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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.