Home / 5,154.24-7,731.66-1,867.68

Finding the Fourth Proportional to 5,154.24, 7,731.66 and 1,867.68

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Solution

The fourth proportional to 5,154.24, 7,731.66 and 1,867.68 is: 2,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.24 : 7,731.66 = 1,867.68 : x
  2. Step 2: Convert to fraction form
    5,154.24/7,731.66 = 1,867.68/x
  3. Step 3: Cross multiply
    5,154.24x = 7,731.66 × 1,867.68
  4. Step 4: Simplify right side
    5,154.24x = 14,440,266.75
  5. Step 5: Solve for x
    x = 14,440,266.75/5,154.24
  6. Step 6: Final answer
    x = 2,801.63

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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.