Home / 2,768.04-3,819.54-1,589.19

Finding the Fourth Proportional to 2,768.04, 3,819.54 and 1,589.19

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Solution

The fourth proportional to 2,768.04, 3,819.54 and 1,589.19 is: 2,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.04 : 3,819.54 = 1,589.19 : x
  2. Step 2: Convert to fraction form
    2,768.04/3,819.54 = 1,589.19/x
  3. Step 3: Cross multiply
    2,768.04x = 3,819.54 × 1,589.19
  4. Step 4: Simplify right side
    2,768.04x = 6,069,974.77
  5. Step 5: Solve for x
    x = 6,069,974.77/2,768.04
  6. Step 6: Final answer
    x = 2,192.88

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Half scale
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Double scale
Find fourth proportional to 2,769.04, 3,820.92 and 1,590.19
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.