Home / 5,077.85-7,010.46-3,191.03

Finding the Fourth Proportional to 5,077.85, 7,010.46 and 3,191.03

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Solution

The fourth proportional to 5,077.85, 7,010.46 and 3,191.03 is: 4,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.85 : 7,010.46 = 3,191.03 : x
  2. Step 2: Convert to fraction form
    5,077.85/7,010.46 = 3,191.03/x
  3. Step 3: Cross multiply
    5,077.85x = 7,010.46 × 3,191.03
  4. Step 4: Simplify right side
    5,077.85x = 22,370,588.17
  5. Step 5: Solve for x
    x = 22,370,588.17/5,077.85
  6. Step 6: Final answer
    x = 4,405.52

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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.