Home / 1,943.21-2,681.62-1,059.01

Finding the Fourth Proportional to 1,943.21, 2,681.62 and 1,059.01

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Solution

The fourth proportional to 1,943.21, 2,681.62 and 1,059.01 is: 1,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.21 : 2,681.62 = 1,059.01 : x
  2. Step 2: Convert to fraction form
    1,943.21/2,681.62 = 1,059.01/x
  3. Step 3: Cross multiply
    1,943.21x = 2,681.62 × 1,059.01
  4. Step 4: Simplify right side
    1,943.21x = 2,839,859.00
  5. Step 5: Solve for x
    x = 2,839,859.00/1,943.21
  6. Step 6: Final answer
    x = 1,461.42

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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.