Home / 1,350.36-2,025.14-528.42

Finding the Fourth Proportional to 1,350.36, 2,025.14 and 528.42

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Solution

The fourth proportional to 1,350.36, 2,025.14 and 528.42 is: 792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.36 : 2,025.14 = 528.42 : x
  2. Step 2: Convert to fraction form
    1,350.36/2,025.14 = 528.42/x
  3. Step 3: Cross multiply
    1,350.36x = 2,025.14 × 528.42
  4. Step 4: Simplify right side
    1,350.36x = 1,070,124.48
  5. Step 5: Solve for x
    x = 1,070,124.48/1,350.36
  6. Step 6: Final answer
    x = 792.47

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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.