Home / 4,180.65-5,764.57-2,666.19

Finding the Fourth Proportional to 4,180.65, 5,764.57 and 2,666.19

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Solution

The fourth proportional to 4,180.65, 5,764.57 and 2,666.19 is: 3,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.65 : 5,764.57 = 2,666.19 : x
  2. Step 2: Convert to fraction form
    4,180.65/5,764.57 = 2,666.19/x
  3. Step 3: Cross multiply
    4,180.65x = 5,764.57 × 2,666.19
  4. Step 4: Simplify right side
    4,180.65x = 15,369,438.89
  5. Step 5: Solve for x
    x = 15,369,438.89/4,180.65
  6. Step 6: Final answer
    x = 3,676.33

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Half scale
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Double scale
Find fourth proportional to 4,181.65, 5,765.95 and 2,667.19
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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.