Home / 7,432.88-10,257.49-4,076

Finding the Fourth Proportional to 7,432.88, 10,257.49 and 4,076

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Solution

The fourth proportional to 7,432.88, 10,257.49 and 4,076 is: 5,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.88 : 10,257.49 = 4,076 : x
  2. Step 2: Convert to fraction form
    7,432.88/10,257.49 = 4,076/x
  3. Step 3: Cross multiply
    7,432.88x = 10,257.49 × 4,076
  4. Step 4: Simplify right side
    7,432.88x = 41,809,529.24
  5. Step 5: Solve for x
    x = 41,809,529.24/7,432.88
  6. Step 6: Final answer
    x = 5,624.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.