Home / 3,174.90-4,381.56-2,752.08

Finding the Fourth Proportional to 3,174.90, 4,381.56 and 2,752.08

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Solution

The fourth proportional to 3,174.90, 4,381.56 and 2,752.08 is: 3,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.90 : 4,381.56 = 2,752.08 : x
  2. Step 2: Convert to fraction form
    3,174.90/4,381.56 = 2,752.08/x
  3. Step 3: Cross multiply
    3,174.90x = 4,381.56 × 2,752.08
  4. Step 4: Simplify right side
    3,174.90x = 12,058,403.64
  5. Step 5: Solve for x
    x = 12,058,403.64/3,174.90
  6. Step 6: Final answer
    x = 3,798.04

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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.