Home / 2,095.62-3,141.81-1,324.50

Finding the Fourth Proportional to 2,095.62, 3,141.81 and 1,324.50

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Solution

The fourth proportional to 2,095.62, 3,141.81 and 1,324.50 is: 1,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.62 : 3,141.81 = 1,324.50 : x
  2. Step 2: Convert to fraction form
    2,095.62/3,141.81 = 1,324.50/x
  3. Step 3: Cross multiply
    2,095.62x = 3,141.81 × 1,324.50
  4. Step 4: Simplify right side
    2,095.62x = 4,161,327.35
  5. Step 5: Solve for x
    x = 4,161,327.35/2,095.62
  6. Step 6: Final answer
    x = 1,985.73

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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.