Home / 3,099.22-4,649.64-1,019.53

Finding the Fourth Proportional to 3,099.22, 4,649.64 and 1,019.53

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Solution

The fourth proportional to 3,099.22, 4,649.64 and 1,019.53 is: 1,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.22 : 4,649.64 = 1,019.53 : x
  2. Step 2: Convert to fraction form
    3,099.22/4,649.64 = 1,019.53/x
  3. Step 3: Cross multiply
    3,099.22x = 4,649.64 × 1,019.53
  4. Step 4: Simplify right side
    3,099.22x = 4,740,447.47
  5. Step 5: Solve for x
    x = 4,740,447.47/3,099.22
  6. Step 6: Final answer
    x = 1,529.56

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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.