Home / 1,866.41-2,794.55-1,317.23

Finding the Fourth Proportional to 1,866.41, 2,794.55 and 1,317.23

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Solution

The fourth proportional to 1,866.41, 2,794.55 and 1,317.23 is: 1,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.41 : 2,794.55 = 1,317.23 : x
  2. Step 2: Convert to fraction form
    1,866.41/2,794.55 = 1,317.23/x
  3. Step 3: Cross multiply
    1,866.41x = 2,794.55 × 1,317.23
  4. Step 4: Simplify right side
    1,866.41x = 3,681,044.54
  5. Step 5: Solve for x
    x = 3,681,044.54/1,866.41
  6. Step 6: Final answer
    x = 1,972.26

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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.