Home / 1,964.33-2,710.84-1,125.31

Finding the Fourth Proportional to 1,964.33, 2,710.84 and 1,125.31

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Solution

The fourth proportional to 1,964.33, 2,710.84 and 1,125.31 is: 1,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.33 : 2,710.84 = 1,125.31 : x
  2. Step 2: Convert to fraction form
    1,964.33/2,710.84 = 1,125.31/x
  3. Step 3: Cross multiply
    1,964.33x = 2,710.84 × 1,125.31
  4. Step 4: Simplify right side
    1,964.33x = 3,050,525.77
  5. Step 5: Solve for x
    x = 3,050,525.77/1,964.33
  6. Step 6: Final answer
    x = 1,552.96

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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.