Home / 3,934.13-5,429.78-2,362.32

Finding the Fourth Proportional to 3,934.13, 5,429.78 and 2,362.32

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Solution

The fourth proportional to 3,934.13, 5,429.78 and 2,362.32 is: 3,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.13 : 5,429.78 = 2,362.32 : x
  2. Step 2: Convert to fraction form
    3,934.13/5,429.78 = 2,362.32/x
  3. Step 3: Cross multiply
    3,934.13x = 5,429.78 × 2,362.32
  4. Step 4: Simplify right side
    3,934.13x = 12,826,866.08
  5. Step 5: Solve for x
    x = 12,826,866.08/3,934.13
  6. Step 6: Final answer
    x = 3,260.41

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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.