Home / 2,559.50-3,839.25-710.62

Finding the Fourth Proportional to 2,559.50, 3,839.25 and 710.62

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Solution

The fourth proportional to 2,559.50, 3,839.25 and 710.62 is: 1,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.50 : 3,839.25 = 710.62 : x
  2. Step 2: Convert to fraction form
    2,559.50/3,839.25 = 710.62/x
  3. Step 3: Cross multiply
    2,559.50x = 3,839.25 × 710.62
  4. Step 4: Simplify right side
    2,559.50x = 2,728,247.84
  5. Step 5: Solve for x
    x = 2,728,247.84/2,559.50
  6. Step 6: Final answer
    x = 1,065.93

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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.