Home / 5,131.17-7,674.88-3,151.93

Finding the Fourth Proportional to 5,131.17, 7,674.88 and 3,151.93

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Solution

The fourth proportional to 5,131.17, 7,674.88 and 3,151.93 is: 4,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.17 : 7,674.88 = 3,151.93 : x
  2. Step 2: Convert to fraction form
    5,131.17/7,674.88 = 3,151.93/x
  3. Step 3: Cross multiply
    5,131.17x = 7,674.88 × 3,151.93
  4. Step 4: Simplify right side
    5,131.17x = 24,190,668.76
  5. Step 5: Solve for x
    x = 24,190,668.76/5,131.17
  6. Step 6: Final answer
    x = 4,714.46

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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.