Home / 4,988.64-7,465.68-4,100.52

Finding the Fourth Proportional to 4,988.64, 7,465.68 and 4,100.52

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Solution

The fourth proportional to 4,988.64, 7,465.68 and 4,100.52 is: 6,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.64 : 7,465.68 = 4,100.52 : x
  2. Step 2: Convert to fraction form
    4,988.64/7,465.68 = 4,100.52/x
  3. Step 3: Cross multiply
    4,988.64x = 7,465.68 × 4,100.52
  4. Step 4: Simplify right side
    4,988.64x = 30,613,170.15
  5. Step 5: Solve for x
    x = 30,613,170.15/4,988.64
  6. Step 6: Final answer
    x = 6,136.58

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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.