Home / 5,054.34-6,974.78-2,816.14

Finding the Fourth Proportional to 5,054.34, 6,974.78 and 2,816.14

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Solution

The fourth proportional to 5,054.34, 6,974.78 and 2,816.14 is: 3,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.34 : 6,974.78 = 2,816.14 : x
  2. Step 2: Convert to fraction form
    5,054.34/6,974.78 = 2,816.14/x
  3. Step 3: Cross multiply
    5,054.34x = 6,974.78 × 2,816.14
  4. Step 4: Simplify right side
    5,054.34x = 19,641,956.95
  5. Step 5: Solve for x
    x = 19,641,956.95/5,054.34
  6. Step 6: Final answer
    x = 3,886.16

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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.