Home / 1,942.54-2,681.00-1,157.04

Finding the Fourth Proportional to 1,942.54, 2,681.00 and 1,157.04

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Solution

The fourth proportional to 1,942.54, 2,681.00 and 1,157.04 is: 1,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.54 : 2,681.00 = 1,157.04 : x
  2. Step 2: Convert to fraction form
    1,942.54/2,681.00 = 1,157.04/x
  3. Step 3: Cross multiply
    1,942.54x = 2,681.00 × 1,157.04
  4. Step 4: Simplify right side
    1,942.54x = 3,102,027.13
  5. Step 5: Solve for x
    x = 3,102,027.13/1,942.54
  6. Step 6: Final answer
    x = 1,596.89

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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.