Home / 7,422.10-11,132.35-3,040.02

Finding the Fourth Proportional to 7,422.10, 11,132.35 and 3,040.02

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Solution

The fourth proportional to 7,422.10, 11,132.35 and 3,040.02 is: 4,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.10 : 11,132.35 = 3,040.02 : x
  2. Step 2: Convert to fraction form
    7,422.10/11,132.35 = 3,040.02/x
  3. Step 3: Cross multiply
    7,422.10x = 11,132.35 × 3,040.02
  4. Step 4: Simplify right side
    7,422.10x = 33,842,566.65
  5. Step 5: Solve for x
    x = 33,842,566.65/7,422.10
  6. Step 6: Final answer
    x = 4,559.70

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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.