Home / 2,255.04-3,382.40-1,022.40

Finding the Fourth Proportional to 2,255.04, 3,382.40 and 1,022.40

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Solution

The fourth proportional to 2,255.04, 3,382.40 and 1,022.40 is: 1,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.04 : 3,382.40 = 1,022.40 : x
  2. Step 2: Convert to fraction form
    2,255.04/3,382.40 = 1,022.40/x
  3. Step 3: Cross multiply
    2,255.04x = 3,382.40 × 1,022.40
  4. Step 4: Simplify right side
    2,255.04x = 3,458,165.76
  5. Step 5: Solve for x
    x = 3,458,165.76/2,255.04
  6. Step 6: Final answer
    x = 1,533.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.