Home / 5,422.11-7,482.28-3,064.34

Finding the Fourth Proportional to 5,422.11, 7,482.28 and 3,064.34

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Solution

The fourth proportional to 5,422.11, 7,482.28 and 3,064.34 is: 4,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.11 : 7,482.28 = 3,064.34 : x
  2. Step 2: Convert to fraction form
    5,422.11/7,482.28 = 3,064.34/x
  3. Step 3: Cross multiply
    5,422.11x = 7,482.28 × 3,064.34
  4. Step 4: Simplify right side
    5,422.11x = 22,928,249.90
  5. Step 5: Solve for x
    x = 22,928,249.90/5,422.11
  6. Step 6: Final answer
    x = 4,228.66

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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.