Home / 5,219.56-7,833.70-4,891.13

Finding the Fourth Proportional to 5,219.56, 7,833.70 and 4,891.13

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Solution

The fourth proportional to 5,219.56, 7,833.70 and 4,891.13 is: 7,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.56 : 7,833.70 = 4,891.13 : x
  2. Step 2: Convert to fraction form
    5,219.56/7,833.70 = 4,891.13/x
  3. Step 3: Cross multiply
    5,219.56x = 7,833.70 × 4,891.13
  4. Step 4: Simplify right side
    5,219.56x = 38,315,657.95
  5. Step 5: Solve for x
    x = 38,315,657.95/5,219.56
  6. Step 6: Final answer
    x = 7,340.79

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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.