Home / 1,857.84-2,563.31-1,149.35

Finding the Fourth Proportional to 1,857.84, 2,563.31 and 1,149.35

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Solution

The fourth proportional to 1,857.84, 2,563.31 and 1,149.35 is: 1,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.84 : 2,563.31 = 1,149.35 : x
  2. Step 2: Convert to fraction form
    1,857.84/2,563.31 = 1,149.35/x
  3. Step 3: Cross multiply
    1,857.84x = 2,563.31 × 1,149.35
  4. Step 4: Simplify right side
    1,857.84x = 2,946,127.53
  5. Step 5: Solve for x
    x = 2,946,127.53/1,857.84
  6. Step 6: Final answer
    x = 1,585.78

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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.