Home / 3,115.02-4,299.03-2,327.70

Finding the Fourth Proportional to 3,115.02, 4,299.03 and 2,327.70

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Solution

The fourth proportional to 3,115.02, 4,299.03 and 2,327.70 is: 3,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.02 : 4,299.03 = 2,327.70 : x
  2. Step 2: Convert to fraction form
    3,115.02/4,299.03 = 2,327.70/x
  3. Step 3: Cross multiply
    3,115.02x = 4,299.03 × 2,327.70
  4. Step 4: Simplify right side
    3,115.02x = 10,006,852.13
  5. Step 5: Solve for x
    x = 10,006,852.13/3,115.02
  6. Step 6: Final answer
    x = 3,212.45

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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.