Home / 5,854.56-8,078.04-3,615.72

Finding the Fourth Proportional to 5,854.56, 8,078.04 and 3,615.72

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Solution

The fourth proportional to 5,854.56, 8,078.04 and 3,615.72 is: 4,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.56 : 8,078.04 = 3,615.72 : x
  2. Step 2: Convert to fraction form
    5,854.56/8,078.04 = 3,615.72/x
  3. Step 3: Cross multiply
    5,854.56x = 8,078.04 × 3,615.72
  4. Step 4: Simplify right side
    5,854.56x = 29,207,930.79
  5. Step 5: Solve for x
    x = 29,207,930.79/5,854.56
  6. Step 6: Final answer
    x = 4,988.92

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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.