Home / 5,040.29-7,560.74-1,530.42

Finding the Fourth Proportional to 5,040.29, 7,560.74 and 1,530.42

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Solution

The fourth proportional to 5,040.29, 7,560.74 and 1,530.42 is: 2,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.29 : 7,560.74 = 1,530.42 : x
  2. Step 2: Convert to fraction form
    5,040.29/7,560.74 = 1,530.42/x
  3. Step 3: Cross multiply
    5,040.29x = 7,560.74 × 1,530.42
  4. Step 4: Simplify right side
    5,040.29x = 11,571,070.84
  5. Step 5: Solve for x
    x = 11,571,070.84/5,040.29
  6. Step 6: Final answer
    x = 2,295.71

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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.