Home / 5,707.32-7,876.48-3,190.24

Finding the Fourth Proportional to 5,707.32, 7,876.48 and 3,190.24

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Solution

The fourth proportional to 5,707.32, 7,876.48 and 3,190.24 is: 4,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.32 : 7,876.48 = 3,190.24 : x
  2. Step 2: Convert to fraction form
    5,707.32/7,876.48 = 3,190.24/x
  3. Step 3: Cross multiply
    5,707.32x = 7,876.48 × 3,190.24
  4. Step 4: Simplify right side
    5,707.32x = 25,127,861.56
  5. Step 5: Solve for x
    x = 25,127,861.56/5,707.32
  6. Step 6: Final answer
    x = 4,402.74

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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.