Home / 2,400.75-3,311.73-1,504.30

Finding the Fourth Proportional to 2,400.75, 3,311.73 and 1,504.30

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Solution

The fourth proportional to 2,400.75, 3,311.73 and 1,504.30 is: 2,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.75 : 3,311.73 = 1,504.30 : x
  2. Step 2: Convert to fraction form
    2,400.75/3,311.73 = 1,504.30/x
  3. Step 3: Cross multiply
    2,400.75x = 3,311.73 × 1,504.30
  4. Step 4: Simplify right side
    2,400.75x = 4,981,835.44
  5. Step 5: Solve for x
    x = 4,981,835.44/2,400.75
  6. Step 6: Final answer
    x = 2,075.12

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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.