Home / 3,058.08-4,219.80-1,798.92

Finding the Fourth Proportional to 3,058.08, 4,219.80 and 1,798.92

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Solution

The fourth proportional to 3,058.08, 4,219.80 and 1,798.92 is: 2,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.08 : 4,219.80 = 1,798.92 : x
  2. Step 2: Convert to fraction form
    3,058.08/4,219.80 = 1,798.92/x
  3. Step 3: Cross multiply
    3,058.08x = 4,219.80 × 1,798.92
  4. Step 4: Simplify right side
    3,058.08x = 7,591,082.62
  5. Step 5: Solve for x
    x = 7,591,082.62/3,058.08
  6. Step 6: Final answer
    x = 2,482.30

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Half scale
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Double scale
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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.