Home / 5,106.68-7,615.66-4,452.20

Finding the Fourth Proportional to 5,106.68, 7,615.66 and 4,452.20

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Solution

The fourth proportional to 5,106.68, 7,615.66 and 4,452.20 is: 6,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.68 : 7,615.66 = 4,452.20 : x
  2. Step 2: Convert to fraction form
    5,106.68/7,615.66 = 4,452.20/x
  3. Step 3: Cross multiply
    5,106.68x = 7,615.66 × 4,452.20
  4. Step 4: Simplify right side
    5,106.68x = 33,906,441.45
  5. Step 5: Solve for x
    x = 33,906,441.45/5,106.68
  6. Step 6: Final answer
    x = 6,639.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.