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Finding the Fourth Proportional to 5,803.95, 8,009.46 and 3,151.32

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Solution

The fourth proportional to 5,803.95, 8,009.46 and 3,151.32 is: 4,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.95 : 8,009.46 = 3,151.32 : x
  2. Step 2: Convert to fraction form
    5,803.95/8,009.46 = 3,151.32/x
  3. Step 3: Cross multiply
    5,803.95x = 8,009.46 × 3,151.32
  4. Step 4: Simplify right side
    5,803.95x = 25,240,371.49
  5. Step 5: Solve for x
    x = 25,240,371.49/5,803.95
  6. Step 6: Final answer
    x = 4,348.83

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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.