Home / 2,770.23-4,148.87-2,077.59

Finding the Fourth Proportional to 2,770.23, 4,148.87 and 2,077.59

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Solution

The fourth proportional to 2,770.23, 4,148.87 and 2,077.59 is: 3,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.23 : 4,148.87 = 2,077.59 : x
  2. Step 2: Convert to fraction form
    2,770.23/4,148.87 = 2,077.59/x
  3. Step 3: Cross multiply
    2,770.23x = 4,148.87 × 2,077.59
  4. Step 4: Simplify right side
    2,770.23x = 8,619,640.44
  5. Step 5: Solve for x
    x = 8,619,640.44/2,770.23
  6. Step 6: Final answer
    x = 3,111.53

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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.