Home / 3,851.50-5,318.31-2,437.68

Finding the Fourth Proportional to 3,851.50, 5,318.31 and 2,437.68

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Solution

The fourth proportional to 3,851.50, 5,318.31 and 2,437.68 is: 3,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.50 : 5,318.31 = 2,437.68 : x
  2. Step 2: Convert to fraction form
    3,851.50/5,318.31 = 2,437.68/x
  3. Step 3: Cross multiply
    3,851.50x = 5,318.31 × 2,437.68
  4. Step 4: Simplify right side
    3,851.50x = 12,964,352.46
  5. Step 5: Solve for x
    x = 12,964,352.46/3,851.50
  6. Step 6: Final answer
    x = 3,366.05

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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.