Home / 3,329.40-4,595.16-2,769.12

Finding the Fourth Proportional to 3,329.40, 4,595.16 and 2,769.12

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Solution

The fourth proportional to 3,329.40, 4,595.16 and 2,769.12 is: 3,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.40 : 4,595.16 = 2,769.12 : x
  2. Step 2: Convert to fraction form
    3,329.40/4,595.16 = 2,769.12/x
  3. Step 3: Cross multiply
    3,329.40x = 4,595.16 × 2,769.12
  4. Step 4: Simplify right side
    3,329.40x = 12,724,549.46
  5. Step 5: Solve for x
    x = 12,724,549.46/3,329.40
  6. Step 6: Final answer
    x = 3,821.87

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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.