Home / 5,021.13-7,531.63-1,558.38

Finding the Fourth Proportional to 5,021.13, 7,531.63 and 1,558.38

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Solution

The fourth proportional to 5,021.13, 7,531.63 and 1,558.38 is: 2,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.13 : 7,531.63 = 1,558.38 : x
  2. Step 2: Convert to fraction form
    5,021.13/7,531.63 = 1,558.38/x
  3. Step 3: Cross multiply
    5,021.13x = 7,531.63 × 1,558.38
  4. Step 4: Simplify right side
    5,021.13x = 11,737,137.66
  5. Step 5: Solve for x
    x = 11,737,137.66/5,021.13
  6. Step 6: Final answer
    x = 2,337.55

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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.