Home / 1,966.41-2,713.32-1,126.98

Finding the Fourth Proportional to 1,966.41, 2,713.32 and 1,126.98

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Solution

The fourth proportional to 1,966.41, 2,713.32 and 1,126.98 is: 1,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.41 : 2,713.32 = 1,126.98 : x
  2. Step 2: Convert to fraction form
    1,966.41/2,713.32 = 1,126.98/x
  3. Step 3: Cross multiply
    1,966.41x = 2,713.32 × 1,126.98
  4. Step 4: Simplify right side
    1,966.41x = 3,057,857.37
  5. Step 5: Solve for x
    x = 3,057,857.37/1,966.41
  6. Step 6: Final answer
    x = 1,555.05

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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.