Home / 4,868.39-6,718.90-2,981.24

Finding the Fourth Proportional to 4,868.39, 6,718.90 and 2,981.24

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Solution

The fourth proportional to 4,868.39, 6,718.90 and 2,981.24 is: 4,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.39 : 6,718.90 = 2,981.24 : x
  2. Step 2: Convert to fraction form
    4,868.39/6,718.90 = 2,981.24/x
  3. Step 3: Cross multiply
    4,868.39x = 6,718.90 × 2,981.24
  4. Step 4: Simplify right side
    4,868.39x = 20,030,653.44
  5. Step 5: Solve for x
    x = 20,030,653.44/4,868.39
  6. Step 6: Final answer
    x = 4,114.43

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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.