Home / 5,536.79-7,640.60-3,298.16

Finding the Fourth Proportional to 5,536.79, 7,640.60 and 3,298.16

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Solution

The fourth proportional to 5,536.79, 7,640.60 and 3,298.16 is: 4,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.79 : 7,640.60 = 3,298.16 : x
  2. Step 2: Convert to fraction form
    5,536.79/7,640.60 = 3,298.16/x
  3. Step 3: Cross multiply
    5,536.79x = 7,640.60 × 3,298.16
  4. Step 4: Simplify right side
    5,536.79x = 25,199,866.60
  5. Step 5: Solve for x
    x = 25,199,866.60/5,536.79
  6. Step 6: Final answer
    x = 4,551.35

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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.