Home / 2,372.13-3,558.11-983.93

Finding the Fourth Proportional to 2,372.13, 3,558.11 and 983.93

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Solution

The fourth proportional to 2,372.13, 3,558.11 and 983.93 is: 1,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.13 : 3,558.11 = 983.93 : x
  2. Step 2: Convert to fraction form
    2,372.13/3,558.11 = 983.93/x
  3. Step 3: Cross multiply
    2,372.13x = 3,558.11 × 983.93
  4. Step 4: Simplify right side
    2,372.13x = 3,500,908.46
  5. Step 5: Solve for x
    x = 3,500,908.46/2,372.13
  6. Step 6: Final answer
    x = 1,475.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.