Home / 3,822.57-5,269.05-2,876.94

Finding the Fourth Proportional to 3,822.57, 5,269.05 and 2,876.94

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Solution

The fourth proportional to 3,822.57, 5,269.05 and 2,876.94 is: 3,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.57 : 5,269.05 = 2,876.94 : x
  2. Step 2: Convert to fraction form
    3,822.57/5,269.05 = 2,876.94/x
  3. Step 3: Cross multiply
    3,822.57x = 5,269.05 × 2,876.94
  4. Step 4: Simplify right side
    3,822.57x = 15,158,740.71
  5. Step 5: Solve for x
    x = 15,158,740.71/3,822.57
  6. Step 6: Final answer
    x = 3,965.59

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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.