Home / 4,218.50-5,821.77-2,426.56

Finding the Fourth Proportional to 4,218.50, 5,821.77 and 2,426.56

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Solution

The fourth proportional to 4,218.50, 5,821.77 and 2,426.56 is: 3,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.50 : 5,821.77 = 2,426.56 : x
  2. Step 2: Convert to fraction form
    4,218.50/5,821.77 = 2,426.56/x
  3. Step 3: Cross multiply
    4,218.50x = 5,821.77 × 2,426.56
  4. Step 4: Simplify right side
    4,218.50x = 14,126,868.76
  5. Step 5: Solve for x
    x = 14,126,868.76/4,218.50
  6. Step 6: Final answer
    x = 3,348.79

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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.