Home / 5,858.62-8,785.23-2,160.70

Finding the Fourth Proportional to 5,858.62, 8,785.23 and 2,160.70

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Solution

The fourth proportional to 5,858.62, 8,785.23 and 2,160.70 is: 3,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.62 : 8,785.23 = 2,160.70 : x
  2. Step 2: Convert to fraction form
    5,858.62/8,785.23 = 2,160.70/x
  3. Step 3: Cross multiply
    5,858.62x = 8,785.23 × 2,160.70
  4. Step 4: Simplify right side
    5,858.62x = 18,982,216.40
  5. Step 5: Solve for x
    x = 18,982,216.40/5,858.62
  6. Step 6: Final answer
    x = 3,240.05

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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.