Home / 4,791.16-7,185.30-1,868.68

Finding the Fourth Proportional to 4,791.16, 7,185.30 and 1,868.68

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Solution

The fourth proportional to 4,791.16, 7,185.30 and 1,868.68 is: 2,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.16 : 7,185.30 = 1,868.68 : x
  2. Step 2: Convert to fraction form
    4,791.16/7,185.30 = 1,868.68/x
  3. Step 3: Cross multiply
    4,791.16x = 7,185.30 × 1,868.68
  4. Step 4: Simplify right side
    4,791.16x = 13,427,026.40
  5. Step 5: Solve for x
    x = 13,427,026.40/4,791.16
  6. Step 6: Final answer
    x = 2,802.46

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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.