Home / 5,040.76-7,561.50-1,342.98

Finding the Fourth Proportional to 5,040.76, 7,561.50 and 1,342.98

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Solution

The fourth proportional to 5,040.76, 7,561.50 and 1,342.98 is: 2,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.76 : 7,561.50 = 1,342.98 : x
  2. Step 2: Convert to fraction form
    5,040.76/7,561.50 = 1,342.98/x
  3. Step 3: Cross multiply
    5,040.76x = 7,561.50 × 1,342.98
  4. Step 4: Simplify right side
    5,040.76x = 10,154,943.27
  5. Step 5: Solve for x
    x = 10,154,943.27/5,040.76
  6. Step 6: Final answer
    x = 2,014.57

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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.