Home / 1,957.28-2,699.86-1,694.84

Finding the Fourth Proportional to 1,957.28, 2,699.86 and 1,694.84

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Solution

The fourth proportional to 1,957.28, 2,699.86 and 1,694.84 is: 2,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.28 : 2,699.86 = 1,694.84 : x
  2. Step 2: Convert to fraction form
    1,957.28/2,699.86 = 1,694.84/x
  3. Step 3: Cross multiply
    1,957.28x = 2,699.86 × 1,694.84
  4. Step 4: Simplify right side
    1,957.28x = 4,575,830.72
  5. Step 5: Solve for x
    x = 4,575,830.72/1,957.28
  6. Step 6: Final answer
    x = 2,337.85

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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.