Home / 2,183.93-3,011.40-1,625.45

Finding the Fourth Proportional to 2,183.93, 3,011.40 and 1,625.45

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Solution

The fourth proportional to 2,183.93, 3,011.40 and 1,625.45 is: 2,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.93 : 3,011.40 = 1,625.45 : x
  2. Step 2: Convert to fraction form
    2,183.93/3,011.40 = 1,625.45/x
  3. Step 3: Cross multiply
    2,183.93x = 3,011.40 × 1,625.45
  4. Step 4: Simplify right side
    2,183.93x = 4,894,880.13
  5. Step 5: Solve for x
    x = 4,894,880.13/2,183.93
  6. Step 6: Final answer
    x = 2,241.32

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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.