Home / 4,920.76-7,382.16-2,322.28

Finding the Fourth Proportional to 4,920.76, 7,382.16 and 2,322.28

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Solution

The fourth proportional to 4,920.76, 7,382.16 and 2,322.28 is: 3,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.76 : 7,382.16 = 2,322.28 : x
  2. Step 2: Convert to fraction form
    4,920.76/7,382.16 = 2,322.28/x
  3. Step 3: Cross multiply
    4,920.76x = 7,382.16 × 2,322.28
  4. Step 4: Simplify right side
    4,920.76x = 17,143,442.52
  5. Step 5: Solve for x
    x = 17,143,442.52/4,920.76
  6. Step 6: Final answer
    x = 3,483.90

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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.