Home / 5,562.70-8,344.65-1,864.78

Finding the Fourth Proportional to 5,562.70, 8,344.65 and 1,864.78

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Solution

The fourth proportional to 5,562.70, 8,344.65 and 1,864.78 is: 2,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.70 : 8,344.65 = 1,864.78 : x
  2. Step 2: Convert to fraction form
    5,562.70/8,344.65 = 1,864.78/x
  3. Step 3: Cross multiply
    5,562.70x = 8,344.65 × 1,864.78
  4. Step 4: Simplify right side
    5,562.70x = 15,560,936.43
  5. Step 5: Solve for x
    x = 15,560,936.43/5,562.70
  6. Step 6: Final answer
    x = 2,797.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.