Home / 6,900.14-9,522.42-3,875.79

Finding the Fourth Proportional to 6,900.14, 9,522.42 and 3,875.79

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Solution

The fourth proportional to 6,900.14, 9,522.42 and 3,875.79 is: 5,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.14 : 9,522.42 = 3,875.79 : x
  2. Step 2: Convert to fraction form
    6,900.14/9,522.42 = 3,875.79/x
  3. Step 3: Cross multiply
    6,900.14x = 9,522.42 × 3,875.79
  4. Step 4: Simplify right side
    6,900.14x = 36,906,900.21
  5. Step 5: Solve for x
    x = 36,906,900.21/6,900.14
  6. Step 6: Final answer
    x = 5,348.72

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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.