Home / 6,849.22-9,451.89-3,705.40

Finding the Fourth Proportional to 6,849.22, 9,451.89 and 3,705.40

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Solution

The fourth proportional to 6,849.22, 9,451.89 and 3,705.40 is: 5,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.22 : 9,451.89 = 3,705.40 : x
  2. Step 2: Convert to fraction form
    6,849.22/9,451.89 = 3,705.40/x
  3. Step 3: Cross multiply
    6,849.22x = 9,451.89 × 3,705.40
  4. Step 4: Simplify right side
    6,849.22x = 35,023,033.21
  5. Step 5: Solve for x
    x = 35,023,033.21/6,849.22
  6. Step 6: Final answer
    x = 5,113.43

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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.