Home / 1,141.42-1,711.05-1,036.66

Finding the Fourth Proportional to 1,141.42, 1,711.05 and 1,036.66

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Solution

The fourth proportional to 1,141.42, 1,711.05 and 1,036.66 is: 1,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.42 : 1,711.05 = 1,036.66 : x
  2. Step 2: Convert to fraction form
    1,141.42/1,711.05 = 1,036.66/x
  3. Step 3: Cross multiply
    1,141.42x = 1,711.05 × 1,036.66
  4. Step 4: Simplify right side
    1,141.42x = 1,773,777.09
  5. Step 5: Solve for x
    x = 1,773,777.09/1,141.42
  6. Step 6: Final answer
    x = 1,554.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.