Home / 7,731.12-10,668.83-4,194.30

Finding the Fourth Proportional to 7,731.12, 10,668.83 and 4,194.30

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Solution

The fourth proportional to 7,731.12, 10,668.83 and 4,194.30 is: 5,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.12 : 10,668.83 = 4,194.30 : x
  2. Step 2: Convert to fraction form
    7,731.12/10,668.83 = 4,194.30/x
  3. Step 3: Cross multiply
    7,731.12x = 10,668.83 × 4,194.30
  4. Step 4: Simplify right side
    7,731.12x = 44,748,252.70
  5. Step 5: Solve for x
    x = 44,748,252.70/7,731.12
  6. Step 6: Final answer
    x = 5,788.07

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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.