Home / 5,516.02-8,315.37-5,149.41

Finding the Fourth Proportional to 5,516.02, 8,315.37 and 5,149.41

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Solution

The fourth proportional to 5,516.02, 8,315.37 and 5,149.41 is: 7,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.02 : 8,315.37 = 5,149.41 : x
  2. Step 2: Convert to fraction form
    5,516.02/8,315.37 = 5,149.41/x
  3. Step 3: Cross multiply
    5,516.02x = 8,315.37 × 5,149.41
  4. Step 4: Simplify right side
    5,516.02x = 42,819,249.43
  5. Step 5: Solve for x
    x = 42,819,249.43/5,516.02
  6. Step 6: Final answer
    x = 7,762.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.