Home / 5,041.72-7,561.77-1,578.97

Finding the Fourth Proportional to 5,041.72, 7,561.77 and 1,578.97

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Solution

The fourth proportional to 5,041.72, 7,561.77 and 1,578.97 is: 2,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.72 : 7,561.77 = 1,578.97 : x
  2. Step 2: Convert to fraction form
    5,041.72/7,561.77 = 1,578.97/x
  3. Step 3: Cross multiply
    5,041.72x = 7,561.77 × 1,578.97
  4. Step 4: Simplify right side
    5,041.72x = 11,939,807.98
  5. Step 5: Solve for x
    x = 11,939,807.98/5,041.72
  6. Step 6: Final answer
    x = 2,368.20

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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.