Home / 2,909.59-4,367.22-2,077.58

Finding the Fourth Proportional to 2,909.59, 4,367.22 and 2,077.58

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Solution

The fourth proportional to 2,909.59, 4,367.22 and 2,077.58 is: 3,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.59 : 4,367.22 = 2,077.58 : x
  2. Step 2: Convert to fraction form
    2,909.59/4,367.22 = 2,077.58/x
  3. Step 3: Cross multiply
    2,909.59x = 4,367.22 × 2,077.58
  4. Step 4: Simplify right side
    2,909.59x = 9,073,252.05
  5. Step 5: Solve for x
    x = 9,073,252.05/2,909.59
  6. Step 6: Final answer
    x = 3,118.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.