Home / 4,865.60-6,716.04-2,977.76

Finding the Fourth Proportional to 4,865.60, 6,716.04 and 2,977.76

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Solution

The fourth proportional to 4,865.60, 6,716.04 and 2,977.76 is: 4,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.60 : 6,716.04 = 2,977.76 : x
  2. Step 2: Convert to fraction form
    4,865.60/6,716.04 = 2,977.76/x
  3. Step 3: Cross multiply
    4,865.60x = 6,716.04 × 2,977.76
  4. Step 4: Simplify right side
    4,865.60x = 19,998,755.27
  5. Step 5: Solve for x
    x = 19,998,755.27/4,865.60
  6. Step 6: Final answer
    x = 4,110.23

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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.