Home / 1,923.45-2,651.96-1,604.57

Finding the Fourth Proportional to 1,923.45, 2,651.96 and 1,604.57

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Solution

The fourth proportional to 1,923.45, 2,651.96 and 1,604.57 is: 2,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.45 : 2,651.96 = 1,604.57 : x
  2. Step 2: Convert to fraction form
    1,923.45/2,651.96 = 1,604.57/x
  3. Step 3: Cross multiply
    1,923.45x = 2,651.96 × 1,604.57
  4. Step 4: Simplify right side
    1,923.45x = 4,255,242.20
  5. Step 5: Solve for x
    x = 4,255,242.20/1,923.45
  6. Step 6: Final answer
    x = 2,212.30

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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.