Home / 5,246.84-7,238.36-3,149.76

Finding the Fourth Proportional to 5,246.84, 7,238.36 and 3,149.76

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Solution

The fourth proportional to 5,246.84, 7,238.36 and 3,149.76 is: 4,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.84 : 7,238.36 = 3,149.76 : x
  2. Step 2: Convert to fraction form
    5,246.84/7,238.36 = 3,149.76/x
  3. Step 3: Cross multiply
    5,246.84x = 7,238.36 × 3,149.76
  4. Step 4: Simplify right side
    5,246.84x = 22,799,096.79
  5. Step 5: Solve for x
    x = 22,799,096.79/5,246.84
  6. Step 6: Final answer
    x = 4,345.30

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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.