Home / 5,103.68-7,036.56-3,422.42

Finding the Fourth Proportional to 5,103.68, 7,036.56 and 3,422.42

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Solution

The fourth proportional to 5,103.68, 7,036.56 and 3,422.42 is: 4,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.68 : 7,036.56 = 3,422.42 : x
  2. Step 2: Convert to fraction form
    5,103.68/7,036.56 = 3,422.42/x
  3. Step 3: Cross multiply
    5,103.68x = 7,036.56 × 3,422.42
  4. Step 4: Simplify right side
    5,103.68x = 24,082,063.68
  5. Step 5: Solve for x
    x = 24,082,063.68/5,103.68
  6. Step 6: Final answer
    x = 4,718.57

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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.