Home / 2,974.30-4,104.59-1,715.14

Finding the Fourth Proportional to 2,974.30, 4,104.59 and 1,715.14

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Solution

The fourth proportional to 2,974.30, 4,104.59 and 1,715.14 is: 2,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.30 : 4,104.59 = 1,715.14 : x
  2. Step 2: Convert to fraction form
    2,974.30/4,104.59 = 1,715.14/x
  3. Step 3: Cross multiply
    2,974.30x = 4,104.59 × 1,715.14
  4. Step 4: Simplify right side
    2,974.30x = 7,039,943.05
  5. Step 5: Solve for x
    x = 7,039,943.05/2,974.30
  6. Step 6: Final answer
    x = 2,366.93

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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.