Home / 2,255.16-3,382.74-1,480.05

Finding the Fourth Proportional to 2,255.16, 3,382.74 and 1,480.05

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Solution

The fourth proportional to 2,255.16, 3,382.74 and 1,480.05 is: 2,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.16 : 3,382.74 = 1,480.05 : x
  2. Step 2: Convert to fraction form
    2,255.16/3,382.74 = 1,480.05/x
  3. Step 3: Cross multiply
    2,255.16x = 3,382.74 × 1,480.05
  4. Step 4: Simplify right side
    2,255.16x = 5,006,624.34
  5. Step 5: Solve for x
    x = 5,006,624.34/2,255.16
  6. Step 6: Final answer
    x = 2,220.08

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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.