Home / 2,131.34-2,938.83-1,737.14

Finding the Fourth Proportional to 2,131.34, 2,938.83 and 1,737.14

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Solution

The fourth proportional to 2,131.34, 2,938.83 and 1,737.14 is: 2,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.34 : 2,938.83 = 1,737.14 : x
  2. Step 2: Convert to fraction form
    2,131.34/2,938.83 = 1,737.14/x
  3. Step 3: Cross multiply
    2,131.34x = 2,938.83 × 1,737.14
  4. Step 4: Simplify right side
    2,131.34x = 5,105,159.15
  5. Step 5: Solve for x
    x = 5,105,159.15/2,131.34
  6. Step 6: Final answer
    x = 2,395.28

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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.