Home / 3,065.01-4,228.40-2,399.19

Finding the Fourth Proportional to 3,065.01, 4,228.40 and 2,399.19

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Solution

The fourth proportional to 3,065.01, 4,228.40 and 2,399.19 is: 3,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.01 : 4,228.40 = 2,399.19 : x
  2. Step 2: Convert to fraction form
    3,065.01/4,228.40 = 2,399.19/x
  3. Step 3: Cross multiply
    3,065.01x = 4,228.40 × 2,399.19
  4. Step 4: Simplify right side
    3,065.01x = 10,144,723.00
  5. Step 5: Solve for x
    x = 10,144,723.00/3,065.01
  6. Step 6: Final answer
    x = 3,309.85

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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.