Home / 3,114.51-4,296.61-1,787.73

Finding the Fourth Proportional to 3,114.51, 4,296.61 and 1,787.73

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Solution

The fourth proportional to 3,114.51, 4,296.61 and 1,787.73 is: 2,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.51 : 4,296.61 = 1,787.73 : x
  2. Step 2: Convert to fraction form
    3,114.51/4,296.61 = 1,787.73/x
  3. Step 3: Cross multiply
    3,114.51x = 4,296.61 × 1,787.73
  4. Step 4: Simplify right side
    3,114.51x = 7,681,178.60
  5. Step 5: Solve for x
    x = 7,681,178.60/3,114.51
  6. Step 6: Final answer
    x = 2,466.26

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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.