Home / 2,095.05-3,143.31-1,314.13

Finding the Fourth Proportional to 2,095.05, 3,143.31 and 1,314.13

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Solution

The fourth proportional to 2,095.05, 3,143.31 and 1,314.13 is: 1,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.05 : 3,143.31 = 1,314.13 : x
  2. Step 2: Convert to fraction form
    2,095.05/3,143.31 = 1,314.13/x
  3. Step 3: Cross multiply
    2,095.05x = 3,143.31 × 1,314.13
  4. Step 4: Simplify right side
    2,095.05x = 4,130,695.68
  5. Step 5: Solve for x
    x = 4,130,695.68/2,095.05
  6. Step 6: Final answer
    x = 1,971.65

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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.