Home / 4,112.92-5,675.55-2,320.47

Finding the Fourth Proportional to 4,112.92, 5,675.55 and 2,320.47

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Solution

The fourth proportional to 4,112.92, 5,675.55 and 2,320.47 is: 3,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.92 : 5,675.55 = 2,320.47 : x
  2. Step 2: Convert to fraction form
    4,112.92/5,675.55 = 2,320.47/x
  3. Step 3: Cross multiply
    4,112.92x = 5,675.55 × 2,320.47
  4. Step 4: Simplify right side
    4,112.92x = 13,169,934.81
  5. Step 5: Solve for x
    x = 13,169,934.81/4,112.92
  6. Step 6: Final answer
    x = 3,202.09

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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.