Home / 7,267.53-10,905.72-2,885.31

Finding the Fourth Proportional to 7,267.53, 10,905.72 and 2,885.31

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Solution

The fourth proportional to 7,267.53, 10,905.72 and 2,885.31 is: 4,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.53 : 10,905.72 = 2,885.31 : x
  2. Step 2: Convert to fraction form
    7,267.53/10,905.72 = 2,885.31/x
  3. Step 3: Cross multiply
    7,267.53x = 10,905.72 × 2,885.31
  4. Step 4: Simplify right side
    7,267.53x = 31,466,382.97
  5. Step 5: Solve for x
    x = 31,466,382.97/7,267.53
  6. Step 6: Final answer
    x = 4,329.72

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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.