Home / 2,917.08-4,020.75-2,252.88

Finding the Fourth Proportional to 2,917.08, 4,020.75 and 2,252.88

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Solution

The fourth proportional to 2,917.08, 4,020.75 and 2,252.88 is: 3,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.08 : 4,020.75 = 2,252.88 : x
  2. Step 2: Convert to fraction form
    2,917.08/4,020.75 = 2,252.88/x
  3. Step 3: Cross multiply
    2,917.08x = 4,020.75 × 2,252.88
  4. Step 4: Simplify right side
    2,917.08x = 9,058,267.26
  5. Step 5: Solve for x
    x = 9,058,267.26/2,917.08
  6. Step 6: Final answer
    x = 3,105.25

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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.