Home / 3,058.09-4,220.10-1,799.28

Finding the Fourth Proportional to 3,058.09, 4,220.10 and 1,799.28

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Solution

The fourth proportional to 3,058.09, 4,220.10 and 1,799.28 is: 2,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.09 : 4,220.10 = 1,799.28 : x
  2. Step 2: Convert to fraction form
    3,058.09/4,220.10 = 1,799.28/x
  3. Step 3: Cross multiply
    3,058.09x = 4,220.10 × 1,799.28
  4. Step 4: Simplify right side
    3,058.09x = 7,593,141.53
  5. Step 5: Solve for x
    x = 7,593,141.53/3,058.09
  6. Step 6: Final answer
    x = 2,482.97

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Half scale
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Similar ratio
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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.