Home / 3,025.57-4,178.81-2,422.01

Finding the Fourth Proportional to 3,025.57, 4,178.81 and 2,422.01

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Solution

The fourth proportional to 3,025.57, 4,178.81 and 2,422.01 is: 3,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.57 : 4,178.81 = 2,422.01 : x
  2. Step 2: Convert to fraction form
    3,025.57/4,178.81 = 2,422.01/x
  3. Step 3: Cross multiply
    3,025.57x = 4,178.81 × 2,422.01
  4. Step 4: Simplify right side
    3,025.57x = 10,121,119.61
  5. Step 5: Solve for x
    x = 10,121,119.61/3,025.57
  6. Step 6: Final answer
    x = 3,345.19

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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.