Home / 5,460.48-7,531.20-3,782.52

Finding the Fourth Proportional to 5,460.48, 7,531.20 and 3,782.52

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Solution

The fourth proportional to 5,460.48, 7,531.20 and 3,782.52 is: 5,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.48 : 7,531.20 = 3,782.52 : x
  2. Step 2: Convert to fraction form
    5,460.48/7,531.20 = 3,782.52/x
  3. Step 3: Cross multiply
    5,460.48x = 7,531.20 × 3,782.52
  4. Step 4: Simplify right side
    5,460.48x = 28,486,914.62
  5. Step 5: Solve for x
    x = 28,486,914.62/5,460.48
  6. Step 6: Final answer
    x = 5,216.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.