Home / 6,640.14-9,164.94-3,807.46

Finding the Fourth Proportional to 6,640.14, 9,164.94 and 3,807.46

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Solution

The fourth proportional to 6,640.14, 9,164.94 and 3,807.46 is: 5,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.14 : 9,164.94 = 3,807.46 : x
  2. Step 2: Convert to fraction form
    6,640.14/9,164.94 = 3,807.46/x
  3. Step 3: Cross multiply
    6,640.14x = 9,164.94 × 3,807.46
  4. Step 4: Simplify right side
    6,640.14x = 34,895,133.82
  5. Step 5: Solve for x
    x = 34,895,133.82/6,640.14
  6. Step 6: Final answer
    x = 5,255.18

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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.