Home / 5,131.71-7,675.68-3,152.48

Finding the Fourth Proportional to 5,131.71, 7,675.68 and 3,152.48

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Solution

The fourth proportional to 5,131.71, 7,675.68 and 3,152.48 is: 4,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.71 : 7,675.68 = 3,152.48 : x
  2. Step 2: Convert to fraction form
    5,131.71/7,675.68 = 3,152.48/x
  3. Step 3: Cross multiply
    5,131.71x = 7,675.68 × 3,152.48
  4. Step 4: Simplify right side
    5,131.71x = 24,197,389.31
  5. Step 5: Solve for x
    x = 24,197,389.31/5,131.71
  6. Step 6: Final answer
    x = 4,715.27

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1.5x scale

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.