Home / 4,884.60-7,321.86-2,113.08

Finding the Fourth Proportional to 4,884.60, 7,321.86 and 2,113.08

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Solution

The fourth proportional to 4,884.60, 7,321.86 and 2,113.08 is: 3,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.60 : 7,321.86 = 2,113.08 : x
  2. Step 2: Convert to fraction form
    4,884.60/7,321.86 = 2,113.08/x
  3. Step 3: Cross multiply
    4,884.60x = 7,321.86 × 2,113.08
  4. Step 4: Simplify right side
    4,884.60x = 15,471,675.93
  5. Step 5: Solve for x
    x = 15,471,675.93/4,884.60
  6. Step 6: Final answer
    x = 3,167.44

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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.