Home / 1,973.64-2,705.96-1,938.52

Finding the Fourth Proportional to 1,973.64, 2,705.96 and 1,938.52

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Solution

The fourth proportional to 1,973.64, 2,705.96 and 1,938.52 is: 2,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.64 : 2,705.96 = 1,938.52 : x
  2. Step 2: Convert to fraction form
    1,973.64/2,705.96 = 1,938.52/x
  3. Step 3: Cross multiply
    1,973.64x = 2,705.96 × 1,938.52
  4. Step 4: Simplify right side
    1,973.64x = 5,245,557.58
  5. Step 5: Solve for x
    x = 5,245,557.58/1,973.64
  6. Step 6: Final answer
    x = 2,657.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.