Home / 5,640.49-8,455.24-2,354.52

Finding the Fourth Proportional to 5,640.49, 8,455.24 and 2,354.52

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Solution

The fourth proportional to 5,640.49, 8,455.24 and 2,354.52 is: 3,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.49 : 8,455.24 = 2,354.52 : x
  2. Step 2: Convert to fraction form
    5,640.49/8,455.24 = 2,354.52/x
  3. Step 3: Cross multiply
    5,640.49x = 8,455.24 × 2,354.52
  4. Step 4: Simplify right side
    5,640.49x = 19,908,005.53
  5. Step 5: Solve for x
    x = 19,908,005.53/5,640.49
  6. Step 6: Final answer
    x = 3,529.48

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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.