Home / 2,422.08-3,345.84-2,332.17

Finding the Fourth Proportional to 2,422.08, 3,345.84 and 2,332.17

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Solution

The fourth proportional to 2,422.08, 3,345.84 and 2,332.17 is: 3,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.08 : 3,345.84 = 2,332.17 : x
  2. Step 2: Convert to fraction form
    2,422.08/3,345.84 = 2,332.17/x
  3. Step 3: Cross multiply
    2,422.08x = 3,345.84 × 2,332.17
  4. Step 4: Simplify right side
    2,422.08x = 7,803,067.67
  5. Step 5: Solve for x
    x = 7,803,067.67/2,422.08
  6. Step 6: Final answer
    x = 3,221.64

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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.