Home / 5,921.61-8,886.38-2,458.86

Finding the Fourth Proportional to 5,921.61, 8,886.38 and 2,458.86

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Solution

The fourth proportional to 5,921.61, 8,886.38 and 2,458.86 is: 3,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.61 : 8,886.38 = 2,458.86 : x
  2. Step 2: Convert to fraction form
    5,921.61/8,886.38 = 2,458.86/x
  3. Step 3: Cross multiply
    5,921.61x = 8,886.38 × 2,458.86
  4. Step 4: Simplify right side
    5,921.61x = 21,850,352.03
  5. Step 5: Solve for x
    x = 21,850,352.03/5,921.61
  6. Step 6: Final answer
    x = 3,689.93

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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.