Home / 2,399.84-3,331.70-2,328.56

Finding the Fourth Proportional to 2,399.84, 3,331.70 and 2,328.56

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Solution

The fourth proportional to 2,399.84, 3,331.70 and 2,328.56 is: 3,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.84 : 3,331.70 = 2,328.56 : x
  2. Step 2: Convert to fraction form
    2,399.84/3,331.70 = 2,328.56/x
  3. Step 3: Cross multiply
    2,399.84x = 3,331.70 × 2,328.56
  4. Step 4: Simplify right side
    2,399.84x = 7,758,063.35
  5. Step 5: Solve for x
    x = 7,758,063.35/2,399.84
  6. Step 6: Final answer
    x = 3,232.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.