Home / 4,990.58-7,472.49-2,793.05

Finding the Fourth Proportional to 4,990.58, 7,472.49 and 2,793.05

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Solution

The fourth proportional to 4,990.58, 7,472.49 and 2,793.05 is: 4,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.58 : 7,472.49 = 2,793.05 : x
  2. Step 2: Convert to fraction form
    4,990.58/7,472.49 = 2,793.05/x
  3. Step 3: Cross multiply
    4,990.58x = 7,472.49 × 2,793.05
  4. Step 4: Simplify right side
    4,990.58x = 20,871,000.83
  5. Step 5: Solve for x
    x = 20,871,000.83/4,990.58
  6. Step 6: Final answer
    x = 4,182.08

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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.