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Finding the Fourth Proportional to 5,803.80, 8,009.02 and 3,151.14

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Solution

The fourth proportional to 5,803.80, 8,009.02 and 3,151.14 is: 4,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.80 : 8,009.02 = 3,151.14 : x
  2. Step 2: Convert to fraction form
    5,803.80/8,009.02 = 3,151.14/x
  3. Step 3: Cross multiply
    5,803.80x = 8,009.02 × 3,151.14
  4. Step 4: Simplify right side
    5,803.80x = 25,237,543.28
  5. Step 5: Solve for x
    x = 25,237,543.28/5,803.80
  6. Step 6: Final answer
    x = 4,348.45

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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.