Home / 6,925.18-10,387.78-1,731.06

Finding the Fourth Proportional to 6,925.18, 10,387.78 and 1,731.06

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Solution

The fourth proportional to 6,925.18, 10,387.78 and 1,731.06 is: 2,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.18 : 10,387.78 = 1,731.06 : x
  2. Step 2: Convert to fraction form
    6,925.18/10,387.78 = 1,731.06/x
  3. Step 3: Cross multiply
    6,925.18x = 10,387.78 × 1,731.06
  4. Step 4: Simplify right side
    6,925.18x = 17,981,858.81
  5. Step 5: Solve for x
    x = 17,981,858.81/6,925.18
  6. Step 6: Final answer
    x = 2,596.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.