Home / 2,895.06-4,342.98-1,229.28

Finding the Fourth Proportional to 2,895.06, 4,342.98 and 1,229.28

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Solution

The fourth proportional to 2,895.06, 4,342.98 and 1,229.28 is: 1,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.06 : 4,342.98 = 1,229.28 : x
  2. Step 2: Convert to fraction form
    2,895.06/4,342.98 = 1,229.28/x
  3. Step 3: Cross multiply
    2,895.06x = 4,342.98 × 1,229.28
  4. Step 4: Simplify right side
    2,895.06x = 5,338,738.45
  5. Step 5: Solve for x
    x = 5,338,738.45/2,895.06
  6. Step 6: Final answer
    x = 1,844.09

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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.