Home / 3,088.46-4,258.68-1,968.14

Finding the Fourth Proportional to 3,088.46, 4,258.68 and 1,968.14

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Solution

The fourth proportional to 3,088.46, 4,258.68 and 1,968.14 is: 2,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.46 : 4,258.68 = 1,968.14 : x
  2. Step 2: Convert to fraction form
    3,088.46/4,258.68 = 1,968.14/x
  3. Step 3: Cross multiply
    3,088.46x = 4,258.68 × 1,968.14
  4. Step 4: Simplify right side
    3,088.46x = 8,381,678.46
  5. Step 5: Solve for x
    x = 8,381,678.46/3,088.46
  6. Step 6: Final answer
    x = 2,713.87

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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.