Home / 2,967.13-4,099.98-2,126.44

Finding the Fourth Proportional to 2,967.13, 4,099.98 and 2,126.44

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Solution

The fourth proportional to 2,967.13, 4,099.98 and 2,126.44 is: 2,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.13 : 4,099.98 = 2,126.44 : x
  2. Step 2: Convert to fraction form
    2,967.13/4,099.98 = 2,126.44/x
  3. Step 3: Cross multiply
    2,967.13x = 4,099.98 × 2,126.44
  4. Step 4: Simplify right side
    2,967.13x = 8,718,361.47
  5. Step 5: Solve for x
    x = 8,718,361.47/2,967.13
  6. Step 6: Final answer
    x = 2,938.31

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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.