Home / 5,785.09-8,673.45-3,439.53

Finding the Fourth Proportional to 5,785.09, 8,673.45 and 3,439.53

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Solution

The fourth proportional to 5,785.09, 8,673.45 and 3,439.53 is: 5,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.09 : 8,673.45 = 3,439.53 : x
  2. Step 2: Convert to fraction form
    5,785.09/8,673.45 = 3,439.53/x
  3. Step 3: Cross multiply
    5,785.09x = 8,673.45 × 3,439.53
  4. Step 4: Simplify right side
    5,785.09x = 29,832,591.48
  5. Step 5: Solve for x
    x = 29,832,591.48/5,785.09
  6. Step 6: Final answer
    x = 5,156.81

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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.