Home / 7,517.75-11,276.64-2,045.75

Finding the Fourth Proportional to 7,517.75, 11,276.64 and 2,045.75

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Solution

The fourth proportional to 7,517.75, 11,276.64 and 2,045.75 is: 3,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.75 : 11,276.64 = 2,045.75 : x
  2. Step 2: Convert to fraction form
    7,517.75/11,276.64 = 2,045.75/x
  3. Step 3: Cross multiply
    7,517.75x = 11,276.64 × 2,045.75
  4. Step 4: Simplify right side
    7,517.75x = 23,069,186.28
  5. Step 5: Solve for x
    x = 23,069,186.28/7,517.75
  6. Step 6: Final answer
    x = 3,068.63

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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.