Home / 5,393.80-8,089.62-2,107

Finding the Fourth Proportional to 5,393.80, 8,089.62 and 2,107

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Solution

The fourth proportional to 5,393.80, 8,089.62 and 2,107 is: 3,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.80 : 8,089.62 = 2,107 : x
  2. Step 2: Convert to fraction form
    5,393.80/8,089.62 = 2,107/x
  3. Step 3: Cross multiply
    5,393.80x = 8,089.62 × 2,107
  4. Step 4: Simplify right side
    5,393.80x = 17,044,829.34
  5. Step 5: Solve for x
    x = 17,044,829.34/5,393.80
  6. Step 6: Final answer
    x = 3,160.08

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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.