Home / 5,403.96-7,458.16-3,166.70

Finding the Fourth Proportional to 5,403.96, 7,458.16 and 3,166.70

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Solution

The fourth proportional to 5,403.96, 7,458.16 and 3,166.70 is: 4,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.96 : 7,458.16 = 3,166.70 : x
  2. Step 2: Convert to fraction form
    5,403.96/7,458.16 = 3,166.70/x
  3. Step 3: Cross multiply
    5,403.96x = 7,458.16 × 3,166.70
  4. Step 4: Simplify right side
    5,403.96x = 23,617,755.27
  5. Step 5: Solve for x
    x = 23,617,755.27/5,403.96
  6. Step 6: Final answer
    x = 4,370.45

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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.