Home / 5,041.78-7,567.26-2,578.30

Finding the Fourth Proportional to 5,041.78, 7,567.26 and 2,578.30

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Solution

The fourth proportional to 5,041.78, 7,567.26 and 2,578.30 is: 3,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.78 : 7,567.26 = 2,578.30 : x
  2. Step 2: Convert to fraction form
    5,041.78/7,567.26 = 2,578.30/x
  3. Step 3: Cross multiply
    5,041.78x = 7,567.26 × 2,578.30
  4. Step 4: Simplify right side
    5,041.78x = 19,510,666.46
  5. Step 5: Solve for x
    x = 19,510,666.46/5,041.78
  6. Step 6: Final answer
    x = 3,869.80

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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.