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Finding the Fourth Proportional to 2,917.98, 4,024.98 and 1,783.13

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Solution

The fourth proportional to 2,917.98, 4,024.98 and 1,783.13 is: 2,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.98 : 4,024.98 = 1,783.13 : x
  2. Step 2: Convert to fraction form
    2,917.98/4,024.98 = 1,783.13/x
  3. Step 3: Cross multiply
    2,917.98x = 4,024.98 × 1,783.13
  4. Step 4: Simplify right side
    2,917.98x = 7,177,042.46
  5. Step 5: Solve for x
    x = 7,177,042.46/2,917.98
  6. Step 6: Final answer
    x = 2,459.59

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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.