Home / 4,134.51-5,707.85-3,188.25

Finding the Fourth Proportional to 4,134.51, 5,707.85 and 3,188.25

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Solution

The fourth proportional to 4,134.51, 5,707.85 and 3,188.25 is: 4,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.51 : 5,707.85 = 3,188.25 : x
  2. Step 2: Convert to fraction form
    4,134.51/5,707.85 = 3,188.25/x
  3. Step 3: Cross multiply
    4,134.51x = 5,707.85 × 3,188.25
  4. Step 4: Simplify right side
    4,134.51x = 18,198,036.82
  5. Step 5: Solve for x
    x = 18,198,036.82/4,134.51
  6. Step 6: Final answer
    x = 4,401.50

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Half scale
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Double scale
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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.