Home / 7,551.18-11,323.85-2,868.72

Finding the Fourth Proportional to 7,551.18, 11,323.85 and 2,868.72

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Solution

The fourth proportional to 7,551.18, 11,323.85 and 2,868.72 is: 4,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.18 : 11,323.85 = 2,868.72 : x
  2. Step 2: Convert to fraction form
    7,551.18/11,323.85 = 2,868.72/x
  3. Step 3: Cross multiply
    7,551.18x = 11,323.85 × 2,868.72
  4. Step 4: Simplify right side
    7,551.18x = 32,484,954.97
  5. Step 5: Solve for x
    x = 32,484,954.97/7,551.18
  6. Step 6: Final answer
    x = 4,301.97

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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.