Home / 1,883.47-2,839.65-1,756.43

Finding the Fourth Proportional to 1,883.47, 2,839.65 and 1,756.43

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Solution

The fourth proportional to 1,883.47, 2,839.65 and 1,756.43 is: 2,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.47 : 2,839.65 = 1,756.43 : x
  2. Step 2: Convert to fraction form
    1,883.47/2,839.65 = 1,756.43/x
  3. Step 3: Cross multiply
    1,883.47x = 2,839.65 × 1,756.43
  4. Step 4: Simplify right side
    1,883.47x = 4,987,623.47
  5. Step 5: Solve for x
    x = 4,987,623.47/1,883.47
  6. Step 6: Final answer
    x = 2,648.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.