Home / 3,916.65-5,403.15-2,573.69

Finding the Fourth Proportional to 3,916.65, 5,403.15 and 2,573.69

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Solution

The fourth proportional to 3,916.65, 5,403.15 and 2,573.69 is: 3,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.65 : 5,403.15 = 2,573.69 : x
  2. Step 2: Convert to fraction form
    3,916.65/5,403.15 = 2,573.69/x
  3. Step 3: Cross multiply
    3,916.65x = 5,403.15 × 2,573.69
  4. Step 4: Simplify right side
    3,916.65x = 13,906,006.11
  5. Step 5: Solve for x
    x = 13,906,006.11/3,916.65
  6. Step 6: Final answer
    x = 3,550.48

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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.