Home / 4,191.76-5,784.59-2,277.62

Finding the Fourth Proportional to 4,191.76, 5,784.59 and 2,277.62

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Solution

The fourth proportional to 4,191.76, 5,784.59 and 2,277.62 is: 3,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.76 : 5,784.59 = 2,277.62 : x
  2. Step 2: Convert to fraction form
    4,191.76/5,784.59 = 2,277.62/x
  3. Step 3: Cross multiply
    4,191.76x = 5,784.59 × 2,277.62
  4. Step 4: Simplify right side
    4,191.76x = 13,175,097.88
  5. Step 5: Solve for x
    x = 13,175,097.88/4,191.76
  6. Step 6: Final answer
    x = 3,143.09

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Double scale
Find fourth proportional to 4,192.76, 5,785.97 and 2,278.62
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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.