Home / 4,589.86-6,331.58-2,908.30

Finding the Fourth Proportional to 4,589.86, 6,331.58 and 2,908.30

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Solution

The fourth proportional to 4,589.86, 6,331.58 and 2,908.30 is: 4,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.86 : 6,331.58 = 2,908.30 : x
  2. Step 2: Convert to fraction form
    4,589.86/6,331.58 = 2,908.30/x
  3. Step 3: Cross multiply
    4,589.86x = 6,331.58 × 2,908.30
  4. Step 4: Simplify right side
    4,589.86x = 18,414,134.11
  5. Step 5: Solve for x
    x = 18,414,134.11/4,589.86
  6. Step 6: Final answer
    x = 4,011.92

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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.