Home / 4,122.87-5,690.06-2,330.43

Finding the Fourth Proportional to 4,122.87, 5,690.06 and 2,330.43

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Solution

The fourth proportional to 4,122.87, 5,690.06 and 2,330.43 is: 3,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.87 : 5,690.06 = 2,330.43 : x
  2. Step 2: Convert to fraction form
    4,122.87/5,690.06 = 2,330.43/x
  3. Step 3: Cross multiply
    4,122.87x = 5,690.06 × 2,330.43
  4. Step 4: Simplify right side
    4,122.87x = 13,260,274.87
  5. Step 5: Solve for x
    x = 13,260,274.87/4,122.87
  6. Step 6: Final answer
    x = 3,216.27

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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.