Home / 5,536.62-8,303.76-1,640.10

Finding the Fourth Proportional to 5,536.62, 8,303.76 and 1,640.10

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Solution

The fourth proportional to 5,536.62, 8,303.76 and 1,640.10 is: 2,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.62 : 8,303.76 = 1,640.10 : x
  2. Step 2: Convert to fraction form
    5,536.62/8,303.76 = 1,640.10/x
  3. Step 3: Cross multiply
    5,536.62x = 8,303.76 × 1,640.10
  4. Step 4: Simplify right side
    5,536.62x = 13,618,996.78
  5. Step 5: Solve for x
    x = 13,618,996.78/5,536.62
  6. Step 6: Final answer
    x = 2,459.80

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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.