Home / 3,311.73-4,574.61-2,320.29

Finding the Fourth Proportional to 3,311.73, 4,574.61 and 2,320.29

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Solution

The fourth proportional to 3,311.73, 4,574.61 and 2,320.29 is: 3,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.73 : 4,574.61 = 2,320.29 : x
  2. Step 2: Convert to fraction form
    3,311.73/4,574.61 = 2,320.29/x
  3. Step 3: Cross multiply
    3,311.73x = 4,574.61 × 2,320.29
  4. Step 4: Simplify right side
    3,311.73x = 10,614,421.84
  5. Step 5: Solve for x
    x = 10,614,421.84/3,311.73
  6. Step 6: Final answer
    x = 3,205.10

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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.