Home / 1,893.68-2,614.92-1,397.18

Finding the Fourth Proportional to 1,893.68, 2,614.92 and 1,397.18

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Solution

The fourth proportional to 1,893.68, 2,614.92 and 1,397.18 is: 1,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.68 : 2,614.92 = 1,397.18 : x
  2. Step 2: Convert to fraction form
    1,893.68/2,614.92 = 1,397.18/x
  3. Step 3: Cross multiply
    1,893.68x = 2,614.92 × 1,397.18
  4. Step 4: Simplify right side
    1,893.68x = 3,653,513.93
  5. Step 5: Solve for x
    x = 3,653,513.93/1,893.68
  6. Step 6: Final answer
    x = 1,929.32

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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.