Home / 1,943.19-2,681.66-1,059.05

Finding the Fourth Proportional to 1,943.19, 2,681.66 and 1,059.05

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Solution

The fourth proportional to 1,943.19, 2,681.66 and 1,059.05 is: 1,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.19 : 2,681.66 = 1,059.05 : x
  2. Step 2: Convert to fraction form
    1,943.19/2,681.66 = 1,059.05/x
  3. Step 3: Cross multiply
    1,943.19x = 2,681.66 × 1,059.05
  4. Step 4: Simplify right side
    1,943.19x = 2,840,021.37
  5. Step 5: Solve for x
    x = 2,840,021.37/1,943.19
  6. Step 6: Final answer
    x = 1,461.53

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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.