Home / 2,972.23-4,100.75-1,713.11

Finding the Fourth Proportional to 2,972.23, 4,100.75 and 1,713.11

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Solution

The fourth proportional to 2,972.23, 4,100.75 and 1,713.11 is: 2,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.23 : 4,100.75 = 1,713.11 : x
  2. Step 2: Convert to fraction form
    2,972.23/4,100.75 = 1,713.11/x
  3. Step 3: Cross multiply
    2,972.23x = 4,100.75 × 1,713.11
  4. Step 4: Simplify right side
    2,972.23x = 7,025,027.27
  5. Step 5: Solve for x
    x = 7,025,027.27/2,972.23
  6. Step 6: Final answer
    x = 2,363.56

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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.