Home / 2,753.90-4,126.96-2,134.70

Finding the Fourth Proportional to 2,753.90, 4,126.96 and 2,134.70

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Solution

The fourth proportional to 2,753.90, 4,126.96 and 2,134.70 is: 3,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.90 : 4,126.96 = 2,134.70 : x
  2. Step 2: Convert to fraction form
    2,753.90/4,126.96 = 2,134.70/x
  3. Step 3: Cross multiply
    2,753.90x = 4,126.96 × 2,134.70
  4. Step 4: Simplify right side
    2,753.90x = 8,809,821.51
  5. Step 5: Solve for x
    x = 8,809,821.51/2,753.90
  6. Step 6: Final answer
    x = 3,199.03

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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.