Home / 7,231.60-10,845.78-3,531.52

Finding the Fourth Proportional to 7,231.60, 10,845.78 and 3,531.52

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Solution

The fourth proportional to 7,231.60, 10,845.78 and 3,531.52 is: 5,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.60 : 10,845.78 = 3,531.52 : x
  2. Step 2: Convert to fraction form
    7,231.60/10,845.78 = 3,531.52/x
  3. Step 3: Cross multiply
    7,231.60x = 10,845.78 × 3,531.52
  4. Step 4: Simplify right side
    7,231.60x = 38,302,088.99
  5. Step 5: Solve for x
    x = 38,302,088.99/7,231.60
  6. Step 6: Final answer
    x = 5,296.49

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1.5x scale

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.