Home / 2,744.13-4,116.21-692.13

Finding the Fourth Proportional to 2,744.13, 4,116.21 and 692.13

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Solution

The fourth proportional to 2,744.13, 4,116.21 and 692.13 is: 1,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.13 : 4,116.21 = 692.13 : x
  2. Step 2: Convert to fraction form
    2,744.13/4,116.21 = 692.13/x
  3. Step 3: Cross multiply
    2,744.13x = 4,116.21 × 692.13
  4. Step 4: Simplify right side
    2,744.13x = 2,848,952.43
  5. Step 5: Solve for x
    x = 2,848,952.43/2,744.13
  6. Step 6: Final answer
    x = 1,038.20

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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.