Home / 4,986.24-6,880.96-2,748.13

Finding the Fourth Proportional to 4,986.24, 6,880.96 and 2,748.13

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Solution

The fourth proportional to 4,986.24, 6,880.96 and 2,748.13 is: 3,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.24 : 6,880.96 = 2,748.13 : x
  2. Step 2: Convert to fraction form
    4,986.24/6,880.96 = 2,748.13/x
  3. Step 3: Cross multiply
    4,986.24x = 6,880.96 × 2,748.13
  4. Step 4: Simplify right side
    4,986.24x = 18,909,772.60
  5. Step 5: Solve for x
    x = 18,909,772.60/4,986.24
  6. Step 6: Final answer
    x = 3,792.39

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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.