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Finding the Fourth Proportional to 5,810.13, 8,018.03 and 3,157.53

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Solution

The fourth proportional to 5,810.13, 8,018.03 and 3,157.53 is: 4,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.13 : 8,018.03 = 3,157.53 : x
  2. Step 2: Convert to fraction form
    5,810.13/8,018.03 = 3,157.53/x
  3. Step 3: Cross multiply
    5,810.13x = 8,018.03 × 3,157.53
  4. Step 4: Simplify right side
    5,810.13x = 25,317,193.54
  5. Step 5: Solve for x
    x = 25,317,193.54/5,810.13
  6. Step 6: Final answer
    x = 4,357.43

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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.