Home / 5,168.10-7,131.18-3,044.70

Finding the Fourth Proportional to 5,168.10, 7,131.18 and 3,044.70

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Solution

The fourth proportional to 5,168.10, 7,131.18 and 3,044.70 is: 4,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.10 : 7,131.18 = 3,044.70 : x
  2. Step 2: Convert to fraction form
    5,168.10/7,131.18 = 3,044.70/x
  3. Step 3: Cross multiply
    5,168.10x = 7,131.18 × 3,044.70
  4. Step 4: Simplify right side
    5,168.10x = 21,712,303.75
  5. Step 5: Solve for x
    x = 21,712,303.75/5,168.10
  6. Step 6: Final answer
    x = 4,201.22

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1.5x scale

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.