Home / 2,925.17-4,388.91-1,281.97

Finding the Fourth Proportional to 2,925.17, 4,388.91 and 1,281.97

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Solution

The fourth proportional to 2,925.17, 4,388.91 and 1,281.97 is: 1,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.17 : 4,388.91 = 1,281.97 : x
  2. Step 2: Convert to fraction form
    2,925.17/4,388.91 = 1,281.97/x
  3. Step 3: Cross multiply
    2,925.17x = 4,388.91 × 1,281.97
  4. Step 4: Simplify right side
    2,925.17x = 5,626,450.95
  5. Step 5: Solve for x
    x = 5,626,450.95/2,925.17
  6. Step 6: Final answer
    x = 1,923.46

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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.