Home / 5,746.50-8,621.29-3,113.39

Finding the Fourth Proportional to 5,746.50, 8,621.29 and 3,113.39

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Solution

The fourth proportional to 5,746.50, 8,621.29 and 3,113.39 is: 4,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.50 : 8,621.29 = 3,113.39 : x
  2. Step 2: Convert to fraction form
    5,746.50/8,621.29 = 3,113.39/x
  3. Step 3: Cross multiply
    5,746.50x = 8,621.29 × 3,113.39
  4. Step 4: Simplify right side
    5,746.50x = 26,841,394.97
  5. Step 5: Solve for x
    x = 26,841,394.97/5,746.50
  6. Step 6: Final answer
    x = 4,670.91

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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.