Home / 2,974.06-4,104.16-1,715.12

Finding the Fourth Proportional to 2,974.06, 4,104.16 and 1,715.12

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Solution

The fourth proportional to 2,974.06, 4,104.16 and 1,715.12 is: 2,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.06 : 4,104.16 = 1,715.12 : x
  2. Step 2: Convert to fraction form
    2,974.06/4,104.16 = 1,715.12/x
  3. Step 3: Cross multiply
    2,974.06x = 4,104.16 × 1,715.12
  4. Step 4: Simplify right side
    2,974.06x = 7,039,117.48
  5. Step 5: Solve for x
    x = 7,039,117.48/2,974.06
  6. Step 6: Final answer
    x = 2,366.84

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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.