Home / 4,166.96-5,745.67-3,117.20

Finding the Fourth Proportional to 4,166.96, 5,745.67 and 3,117.20

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Solution

The fourth proportional to 4,166.96, 5,745.67 and 3,117.20 is: 4,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.96 : 5,745.67 = 3,117.20 : x
  2. Step 2: Convert to fraction form
    4,166.96/5,745.67 = 3,117.20/x
  3. Step 3: Cross multiply
    4,166.96x = 5,745.67 × 3,117.20
  4. Step 4: Simplify right side
    4,166.96x = 17,910,366.00
  5. Step 5: Solve for x
    x = 17,910,366.00/4,166.96
  6. Step 6: Final answer
    x = 4,298.19

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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.