Home / 7,475.93-11,215.13-2,797.57

Finding the Fourth Proportional to 7,475.93, 11,215.13 and 2,797.57

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Solution

The fourth proportional to 7,475.93, 11,215.13 and 2,797.57 is: 4,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.93 : 11,215.13 = 2,797.57 : x
  2. Step 2: Convert to fraction form
    7,475.93/11,215.13 = 2,797.57/x
  3. Step 3: Cross multiply
    7,475.93x = 11,215.13 × 2,797.57
  4. Step 4: Simplify right side
    7,475.93x = 31,375,111.27
  5. Step 5: Solve for x
    x = 31,375,111.27/7,475.93
  6. Step 6: Final answer
    x = 4,196.82

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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.