Home / 2,543.02-3,816.99-1,227.69

Finding the Fourth Proportional to 2,543.02, 3,816.99 and 1,227.69

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Solution

The fourth proportional to 2,543.02, 3,816.99 and 1,227.69 is: 1,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.02 : 3,816.99 = 1,227.69 : x
  2. Step 2: Convert to fraction form
    2,543.02/3,816.99 = 1,227.69/x
  3. Step 3: Cross multiply
    2,543.02x = 3,816.99 × 1,227.69
  4. Step 4: Simplify right side
    2,543.02x = 4,686,086.93
  5. Step 5: Solve for x
    x = 4,686,086.93/2,543.02
  6. Step 6: Final answer
    x = 1,842.73

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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.