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Finding the Fourth Proportional to 5,803.98, 8,009.46 and 3,151.50

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Solution

The fourth proportional to 5,803.98, 8,009.46 and 3,151.50 is: 4,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.98 : 8,009.46 = 3,151.50 : x
  2. Step 2: Convert to fraction form
    5,803.98/8,009.46 = 3,151.50/x
  3. Step 3: Cross multiply
    5,803.98x = 8,009.46 × 3,151.50
  4. Step 4: Simplify right side
    5,803.98x = 25,241,813.19
  5. Step 5: Solve for x
    x = 25,241,813.19/5,803.98
  6. Step 6: Final answer
    x = 4,349.05

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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.