Home / 5,051.85-7,578.16-1,542.17

Finding the Fourth Proportional to 5,051.85, 7,578.16 and 1,542.17

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Solution

The fourth proportional to 5,051.85, 7,578.16 and 1,542.17 is: 2,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.85 : 7,578.16 = 1,542.17 : x
  2. Step 2: Convert to fraction form
    5,051.85/7,578.16 = 1,542.17/x
  3. Step 3: Cross multiply
    5,051.85x = 7,578.16 × 1,542.17
  4. Step 4: Simplify right side
    5,051.85x = 11,686,811.01
  5. Step 5: Solve for x
    x = 11,686,811.01/5,051.85
  6. Step 6: Final answer
    x = 2,313.37

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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.