Home / 3,735.18-5,157-2,320.38

Finding the Fourth Proportional to 3,735.18, 5,157 and 2,320.38

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Solution

The fourth proportional to 3,735.18, 5,157 and 2,320.38 is: 3,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.18 : 5,157 = 2,320.38 : x
  2. Step 2: Convert to fraction form
    3,735.18/5,157 = 2,320.38/x
  3. Step 3: Cross multiply
    3,735.18x = 5,157 × 2,320.38
  4. Step 4: Simplify right side
    3,735.18x = 11,966,199.66
  5. Step 5: Solve for x
    x = 11,966,199.66/3,735.18
  6. Step 6: Final answer
    x = 3,203.65

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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.