Home / 3,153.37-4,350.89-1,894.23

Finding the Fourth Proportional to 3,153.37, 4,350.89 and 1,894.23

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Solution

The fourth proportional to 3,153.37, 4,350.89 and 1,894.23 is: 2,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.37 : 4,350.89 = 1,894.23 : x
  2. Step 2: Convert to fraction form
    3,153.37/4,350.89 = 1,894.23/x
  3. Step 3: Cross multiply
    3,153.37x = 4,350.89 × 1,894.23
  4. Step 4: Simplify right side
    3,153.37x = 8,241,586.36
  5. Step 5: Solve for x
    x = 8,241,586.36/3,153.37
  6. Step 6: Final answer
    x = 2,613.58

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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.