Home / 1,899.73-2,621.63-1,060.43

Finding the Fourth Proportional to 1,899.73, 2,621.63 and 1,060.43

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Solution

The fourth proportional to 1,899.73, 2,621.63 and 1,060.43 is: 1,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.73 : 2,621.63 = 1,060.43 : x
  2. Step 2: Convert to fraction form
    1,899.73/2,621.63 = 1,060.43/x
  3. Step 3: Cross multiply
    1,899.73x = 2,621.63 × 1,060.43
  4. Step 4: Simplify right side
    1,899.73x = 2,780,053.43
  5. Step 5: Solve for x
    x = 2,780,053.43/1,899.73
  6. Step 6: Final answer
    x = 1,463.39

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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.