Home / 6,155.21-8,494.19-3,798.71

Finding the Fourth Proportional to 6,155.21, 8,494.19 and 3,798.71

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Solution

The fourth proportional to 6,155.21, 8,494.19 and 3,798.71 is: 5,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.21 : 8,494.19 = 3,798.71 : x
  2. Step 2: Convert to fraction form
    6,155.21/8,494.19 = 3,798.71/x
  3. Step 3: Cross multiply
    6,155.21x = 8,494.19 × 3,798.71
  4. Step 4: Simplify right side
    6,155.21x = 32,266,903.03
  5. Step 5: Solve for x
    x = 32,266,903.03/6,155.21
  6. Step 6: Final answer
    x = 5,242.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.