Home / 4,974.45-6,864.61-2,705.76

Finding the Fourth Proportional to 4,974.45, 6,864.61 and 2,705.76

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Solution

The fourth proportional to 4,974.45, 6,864.61 and 2,705.76 is: 3,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.45 : 6,864.61 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    4,974.45/6,864.61 = 2,705.76/x
  3. Step 3: Cross multiply
    4,974.45x = 6,864.61 × 2,705.76
  4. Step 4: Simplify right side
    4,974.45x = 18,573,980.39
  5. Step 5: Solve for x
    x = 18,573,980.39/4,974.45
  6. Step 6: Final answer
    x = 3,733.88

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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.