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Finding the Fourth Proportional to 5,726.34, 7,899.90 and 3,600.39

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Solution

The fourth proportional to 5,726.34, 7,899.90 and 3,600.39 is: 4,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.34 : 7,899.90 = 3,600.39 : x
  2. Step 2: Convert to fraction form
    5,726.34/7,899.90 = 3,600.39/x
  3. Step 3: Cross multiply
    5,726.34x = 7,899.90 × 3,600.39
  4. Step 4: Simplify right side
    5,726.34x = 28,442,720.96
  5. Step 5: Solve for x
    x = 28,442,720.96/5,726.34
  6. Step 6: Final answer
    x = 4,967.00

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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.