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Finding the Fourth Proportional to 5,285.70, 7,297.83 and 4,724.37

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Solution

The fourth proportional to 5,285.70, 7,297.83 and 4,724.37 is: 6,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.70 : 7,297.83 = 4,724.37 : x
  2. Step 2: Convert to fraction form
    5,285.70/7,297.83 = 4,724.37/x
  3. Step 3: Cross multiply
    5,285.70x = 7,297.83 × 4,724.37
  4. Step 4: Simplify right side
    5,285.70x = 34,477,649.12
  5. Step 5: Solve for x
    x = 34,477,649.12/5,285.70
  6. Step 6: Final answer
    x = 6,522.82

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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.