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Finding the Fourth Proportional to 5,800.78, 8,005.08 and 3,148.24

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Solution

The fourth proportional to 5,800.78, 8,005.08 and 3,148.24 is: 4,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.78 : 8,005.08 = 3,148.24 : x
  2. Step 2: Convert to fraction form
    5,800.78/8,005.08 = 3,148.24/x
  3. Step 3: Cross multiply
    5,800.78x = 8,005.08 × 3,148.24
  4. Step 4: Simplify right side
    5,800.78x = 25,201,913.06
  5. Step 5: Solve for x
    x = 25,201,913.06/5,800.78
  6. Step 6: Final answer
    x = 4,344.57

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1.5x scale

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.