Home / 4,957.55-7,433.97-2,878.19

Finding the Fourth Proportional to 4,957.55, 7,433.97 and 2,878.19

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Solution

The fourth proportional to 4,957.55, 7,433.97 and 2,878.19 is: 4,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.55 : 7,433.97 = 2,878.19 : x
  2. Step 2: Convert to fraction form
    4,957.55/7,433.97 = 2,878.19/x
  3. Step 3: Cross multiply
    4,957.55x = 7,433.97 × 2,878.19
  4. Step 4: Simplify right side
    4,957.55x = 21,396,378.11
  5. Step 5: Solve for x
    x = 21,396,378.11/4,957.55
  6. Step 6: Final answer
    x = 4,315.92

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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.