Home / 5,707.13-7,874.96-3,188.93

Finding the Fourth Proportional to 5,707.13, 7,874.96 and 3,188.93

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Solution

The fourth proportional to 5,707.13, 7,874.96 and 3,188.93 is: 4,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.13 : 7,874.96 = 3,188.93 : x
  2. Step 2: Convert to fraction form
    5,707.13/7,874.96 = 3,188.93/x
  3. Step 3: Cross multiply
    5,707.13x = 7,874.96 × 3,188.93
  4. Step 4: Simplify right side
    5,707.13x = 25,112,640.87
  5. Step 5: Solve for x
    x = 25,112,640.87/5,707.13
  6. Step 6: Final answer
    x = 4,400.23

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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.