Home / 5,397.96-8,081.80-4,077.55

Finding the Fourth Proportional to 5,397.96, 8,081.80 and 4,077.55

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Solution

The fourth proportional to 5,397.96, 8,081.80 and 4,077.55 is: 6,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.96 : 8,081.80 = 4,077.55 : x
  2. Step 2: Convert to fraction form
    5,397.96/8,081.80 = 4,077.55/x
  3. Step 3: Cross multiply
    5,397.96x = 8,081.80 × 4,077.55
  4. Step 4: Simplify right side
    5,397.96x = 32,953,943.59
  5. Step 5: Solve for x
    x = 32,953,943.59/5,397.96
  6. Step 6: Final answer
    x = 6,104.89

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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.