Home / 3,441.12-4,747.02-2,320.64

Finding the Fourth Proportional to 3,441.12, 4,747.02 and 2,320.64

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Solution

The fourth proportional to 3,441.12, 4,747.02 and 2,320.64 is: 3,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.12 : 4,747.02 = 2,320.64 : x
  2. Step 2: Convert to fraction form
    3,441.12/4,747.02 = 2,320.64/x
  3. Step 3: Cross multiply
    3,441.12x = 4,747.02 × 2,320.64
  4. Step 4: Simplify right side
    3,441.12x = 11,016,124.49
  5. Step 5: Solve for x
    x = 11,016,124.49/3,441.12
  6. Step 6: Final answer
    x = 3,201.32

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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.