Home / 5,937.96-8,195-3,420.16

Finding the Fourth Proportional to 5,937.96, 8,195 and 3,420.16

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Solution

The fourth proportional to 5,937.96, 8,195 and 3,420.16 is: 4,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.96 : 8,195 = 3,420.16 : x
  2. Step 2: Convert to fraction form
    5,937.96/8,195 = 3,420.16/x
  3. Step 3: Cross multiply
    5,937.96x = 8,195 × 3,420.16
  4. Step 4: Simplify right side
    5,937.96x = 28,028,211.20
  5. Step 5: Solve for x
    x = 28,028,211.20/5,937.96
  6. Step 6: Final answer
    x = 4,720.18

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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.