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Finding the Fourth Proportional to 2,707.75, 4,059.19 and 975.97

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Solution

The fourth proportional to 2,707.75, 4,059.19 and 975.97 is: 1,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.75 : 4,059.19 = 975.97 : x
  2. Step 2: Convert to fraction form
    2,707.75/4,059.19 = 975.97/x
  3. Step 3: Cross multiply
    2,707.75x = 4,059.19 × 975.97
  4. Step 4: Simplify right side
    2,707.75x = 3,961,647.66
  5. Step 5: Solve for x
    x = 3,961,647.66/2,707.75
  6. Step 6: Final answer
    x = 1,463.08

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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.