Home / 3,530.96-5,296.58-1,065.78

Finding the Fourth Proportional to 3,530.96, 5,296.58 and 1,065.78

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Solution

The fourth proportional to 3,530.96, 5,296.58 and 1,065.78 is: 1,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.96 : 5,296.58 = 1,065.78 : x
  2. Step 2: Convert to fraction form
    3,530.96/5,296.58 = 1,065.78/x
  3. Step 3: Cross multiply
    3,530.96x = 5,296.58 × 1,065.78
  4. Step 4: Simplify right side
    3,530.96x = 5,644,983.70
  5. Step 5: Solve for x
    x = 5,644,983.70/3,530.96
  6. Step 6: Final answer
    x = 1,598.71

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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.