Home / 1,758.36-2,633.82-1,140.23

Finding the Fourth Proportional to 1,758.36, 2,633.82 and 1,140.23

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Solution

The fourth proportional to 1,758.36, 2,633.82 and 1,140.23 is: 1,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.36 : 2,633.82 = 1,140.23 : x
  2. Step 2: Convert to fraction form
    1,758.36/2,633.82 = 1,140.23/x
  3. Step 3: Cross multiply
    1,758.36x = 2,633.82 × 1,140.23
  4. Step 4: Simplify right side
    1,758.36x = 3,003,148.07
  5. Step 5: Solve for x
    x = 3,003,148.07/1,758.36
  6. Step 6: Final answer
    x = 1,707.93

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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.