Home / 6,977.97-9,629.64-3,834.18

Finding the Fourth Proportional to 6,977.97, 9,629.64 and 3,834.18

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Solution

The fourth proportional to 6,977.97, 9,629.64 and 3,834.18 is: 5,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.97 : 9,629.64 = 3,834.18 : x
  2. Step 2: Convert to fraction form
    6,977.97/9,629.64 = 3,834.18/x
  3. Step 3: Cross multiply
    6,977.97x = 9,629.64 × 3,834.18
  4. Step 4: Simplify right side
    6,977.97x = 36,921,773.10
  5. Step 5: Solve for x
    x = 36,921,773.10/6,977.97
  6. Step 6: Final answer
    x = 5,291.19

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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.