Home / 5,045.47-7,569.01-2,124.61

Finding the Fourth Proportional to 5,045.47, 7,569.01 and 2,124.61

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Solution

The fourth proportional to 5,045.47, 7,569.01 and 2,124.61 is: 3,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.47 : 7,569.01 = 2,124.61 : x
  2. Step 2: Convert to fraction form
    5,045.47/7,569.01 = 2,124.61/x
  3. Step 3: Cross multiply
    5,045.47x = 7,569.01 × 2,124.61
  4. Step 4: Simplify right side
    5,045.47x = 16,081,194.34
  5. Step 5: Solve for x
    x = 16,081,194.34/5,045.47
  6. Step 6: Final answer
    x = 3,187.25

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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.