Home / 4,880.64-7,314.68-3,124.97

Finding the Fourth Proportional to 4,880.64, 7,314.68 and 3,124.97

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Solution

The fourth proportional to 4,880.64, 7,314.68 and 3,124.97 is: 4,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.64 : 7,314.68 = 3,124.97 : x
  2. Step 2: Convert to fraction form
    4,880.64/7,314.68 = 3,124.97/x
  3. Step 3: Cross multiply
    4,880.64x = 7,314.68 × 3,124.97
  4. Step 4: Simplify right side
    4,880.64x = 22,858,155.56
  5. Step 5: Solve for x
    x = 22,858,155.56/4,880.64
  6. Step 6: Final answer
    x = 4,683.43

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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.