Home / 5,823.74-8,731.76-2,125.28

Finding the Fourth Proportional to 5,823.74, 8,731.76 and 2,125.28

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Solution

The fourth proportional to 5,823.74, 8,731.76 and 2,125.28 is: 3,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.74 : 8,731.76 = 2,125.28 : x
  2. Step 2: Convert to fraction form
    5,823.74/8,731.76 = 2,125.28/x
  3. Step 3: Cross multiply
    5,823.74x = 8,731.76 × 2,125.28
  4. Step 4: Simplify right side
    5,823.74x = 18,557,434.89
  5. Step 5: Solve for x
    x = 18,557,434.89/5,823.74
  6. Step 6: Final answer
    x = 3,186.52

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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.