Home / 2,844.84-3,926.46-1,666.20

Finding the Fourth Proportional to 2,844.84, 3,926.46 and 1,666.20

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Solution

The fourth proportional to 2,844.84, 3,926.46 and 1,666.20 is: 2,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.84 : 3,926.46 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    2,844.84/3,926.46 = 1,666.20/x
  3. Step 3: Cross multiply
    2,844.84x = 3,926.46 × 1,666.20
  4. Step 4: Simplify right side
    2,844.84x = 6,542,267.65
  5. Step 5: Solve for x
    x = 6,542,267.65/2,844.84
  6. Step 6: Final answer
    x = 2,299.70

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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.