Home / 5,422.12-7,482.42-3,559

Finding the Fourth Proportional to 5,422.12, 7,482.42 and 3,559

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Solution

The fourth proportional to 5,422.12, 7,482.42 and 3,559 is: 4,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.12 : 7,482.42 = 3,559 : x
  2. Step 2: Convert to fraction form
    5,422.12/7,482.42 = 3,559/x
  3. Step 3: Cross multiply
    5,422.12x = 7,482.42 × 3,559
  4. Step 4: Simplify right side
    5,422.12x = 26,629,932.78
  5. Step 5: Solve for x
    x = 26,629,932.78/5,422.12
  6. Step 6: Final answer
    x = 4,911.35

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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.