Home / 5,801.05-8,701.75-1,418.51

Finding the Fourth Proportional to 5,801.05, 8,701.75 and 1,418.51

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Solution

The fourth proportional to 5,801.05, 8,701.75 and 1,418.51 is: 2,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.05 : 8,701.75 = 1,418.51 : x
  2. Step 2: Convert to fraction form
    5,801.05/8,701.75 = 1,418.51/x
  3. Step 3: Cross multiply
    5,801.05x = 8,701.75 × 1,418.51
  4. Step 4: Simplify right side
    5,801.05x = 12,343,504.97
  5. Step 5: Solve for x
    x = 12,343,504.97/5,801.05
  6. Step 6: Final answer
    x = 2,127.80

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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.