Home / 5,823.75-8,031.18-3,913.89

Finding the Fourth Proportional to 5,823.75, 8,031.18 and 3,913.89

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Solution

The fourth proportional to 5,823.75, 8,031.18 and 3,913.89 is: 5,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.75 : 8,031.18 = 3,913.89 : x
  2. Step 2: Convert to fraction form
    5,823.75/8,031.18 = 3,913.89/x
  3. Step 3: Cross multiply
    5,823.75x = 8,031.18 × 3,913.89
  4. Step 4: Simplify right side
    5,823.75x = 31,433,114.93
  5. Step 5: Solve for x
    x = 31,433,114.93/5,823.75
  6. Step 6: Final answer
    x = 5,397.41

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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.