Home / 5,909.44-8,155.84-3,392.32

Finding the Fourth Proportional to 5,909.44, 8,155.84 and 3,392.32

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Solution

The fourth proportional to 5,909.44, 8,155.84 and 3,392.32 is: 4,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.44 : 8,155.84 = 3,392.32 : x
  2. Step 2: Convert to fraction form
    5,909.44/8,155.84 = 3,392.32/x
  3. Step 3: Cross multiply
    5,909.44x = 8,155.84 × 3,392.32
  4. Step 4: Simplify right side
    5,909.44x = 27,667,219.15
  5. Step 5: Solve for x
    x = 27,667,219.15/5,909.44
  6. Step 6: Final answer
    x = 4,681.87

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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.