Home / 2,968.75-4,426.99-2,760.98

Finding the Fourth Proportional to 2,968.75, 4,426.99 and 2,760.98

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Solution

The fourth proportional to 2,968.75, 4,426.99 and 2,760.98 is: 4,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.75 : 4,426.99 = 2,760.98 : x
  2. Step 2: Convert to fraction form
    2,968.75/4,426.99 = 2,760.98/x
  3. Step 3: Cross multiply
    2,968.75x = 4,426.99 × 2,760.98
  4. Step 4: Simplify right side
    2,968.75x = 12,222,830.85
  5. Step 5: Solve for x
    x = 12,222,830.85/2,968.75
  6. Step 6: Final answer
    x = 4,117.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.