Home / 2,976.24-4,110.42-2,320.92

Finding the Fourth Proportional to 2,976.24, 4,110.42 and 2,320.92

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Solution

The fourth proportional to 2,976.24, 4,110.42 and 2,320.92 is: 3,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.24 : 4,110.42 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    2,976.24/4,110.42 = 2,320.92/x
  3. Step 3: Cross multiply
    2,976.24x = 4,110.42 × 2,320.92
  4. Step 4: Simplify right side
    2,976.24x = 9,539,955.99
  5. Step 5: Solve for x
    x = 9,539,955.99/2,976.24
  6. Step 6: Final answer
    x = 3,205.37

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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.