Home / 5,909.59-8,155.21-3,256.99

Finding the Fourth Proportional to 5,909.59, 8,155.21 and 3,256.99

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Solution

The fourth proportional to 5,909.59, 8,155.21 and 3,256.99 is: 4,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.59 : 8,155.21 = 3,256.99 : x
  2. Step 2: Convert to fraction form
    5,909.59/8,155.21 = 3,256.99/x
  3. Step 3: Cross multiply
    5,909.59x = 8,155.21 × 3,256.99
  4. Step 4: Simplify right side
    5,909.59x = 26,561,437.42
  5. Step 5: Solve for x
    x = 26,561,437.42/5,909.59
  6. Step 6: Final answer
    x = 4,494.63

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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.