Home / 2,769.24-3,822.21-1,776.87

Finding the Fourth Proportional to 2,769.24, 3,822.21 and 1,776.87

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Solution

The fourth proportional to 2,769.24, 3,822.21 and 1,776.87 is: 2,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.24 : 3,822.21 = 1,776.87 : x
  2. Step 2: Convert to fraction form
    2,769.24/3,822.21 = 1,776.87/x
  3. Step 3: Cross multiply
    2,769.24x = 3,822.21 × 1,776.87
  4. Step 4: Simplify right side
    2,769.24x = 6,791,570.28
  5. Step 5: Solve for x
    x = 6,791,570.28/2,769.24
  6. Step 6: Final answer
    x = 2,452.50

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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.