Home / 4,974.09-6,864.66-2,736.39

Finding the Fourth Proportional to 4,974.09, 6,864.66 and 2,736.39

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Solution

The fourth proportional to 4,974.09, 6,864.66 and 2,736.39 is: 3,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.09 : 6,864.66 = 2,736.39 : x
  2. Step 2: Convert to fraction form
    4,974.09/6,864.66 = 2,736.39/x
  3. Step 3: Cross multiply
    4,974.09x = 6,864.66 × 2,736.39
  4. Step 4: Simplify right side
    4,974.09x = 18,784,386.98
  5. Step 5: Solve for x
    x = 18,784,386.98/4,974.09
  6. Step 6: Final answer
    x = 3,776.45

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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.