Home / 5,161.10-7,742.19-1,697.54

Finding the Fourth Proportional to 5,161.10, 7,742.19 and 1,697.54

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Solution

The fourth proportional to 5,161.10, 7,742.19 and 1,697.54 is: 2,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.10 : 7,742.19 = 1,697.54 : x
  2. Step 2: Convert to fraction form
    5,161.10/7,742.19 = 1,697.54/x
  3. Step 3: Cross multiply
    5,161.10x = 7,742.19 × 1,697.54
  4. Step 4: Simplify right side
    5,161.10x = 13,142,677.21
  5. Step 5: Solve for x
    x = 13,142,677.21/5,161.10
  6. Step 6: Final answer
    x = 2,546.49

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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.