Home / 4,974.32-6,864.62-2,736.40

Finding the Fourth Proportional to 4,974.32, 6,864.62 and 2,736.40

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Solution

The fourth proportional to 4,974.32, 6,864.62 and 2,736.40 is: 3,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.32 : 6,864.62 = 2,736.40 : x
  2. Step 2: Convert to fraction form
    4,974.32/6,864.62 = 2,736.40/x
  3. Step 3: Cross multiply
    4,974.32x = 6,864.62 × 2,736.40
  4. Step 4: Simplify right side
    4,974.32x = 18,784,346.17
  5. Step 5: Solve for x
    x = 18,784,346.17/4,974.32
  6. Step 6: Final answer
    x = 3,776.26

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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.