Home / 1,472.29-2,208.43-376.65

Finding the Fourth Proportional to 1,472.29, 2,208.43 and 376.65

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Solution

The fourth proportional to 1,472.29, 2,208.43 and 376.65 is: 564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.29 : 2,208.43 = 376.65 : x
  2. Step 2: Convert to fraction form
    1,472.29/2,208.43 = 376.65/x
  3. Step 3: Cross multiply
    1,472.29x = 2,208.43 × 376.65
  4. Step 4: Simplify right side
    1,472.29x = 831,805.16
  5. Step 5: Solve for x
    x = 831,805.16/1,472.29
  6. Step 6: Final answer
    x = 564.97

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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.