Home / 2,418.04-3,626.55-774.14

Finding the Fourth Proportional to 2,418.04, 3,626.55 and 774.14

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Solution

The fourth proportional to 2,418.04, 3,626.55 and 774.14 is: 1,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.04 : 3,626.55 = 774.14 : x
  2. Step 2: Convert to fraction form
    2,418.04/3,626.55 = 774.14/x
  3. Step 3: Cross multiply
    2,418.04x = 3,626.55 × 774.14
  4. Step 4: Simplify right side
    2,418.04x = 2,807,472.81
  5. Step 5: Solve for x
    x = 2,807,472.81/2,418.04
  6. Step 6: Final answer
    x = 1,161.05

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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.