Home / 5,240.87-7,232.16-2,883.01

Finding the Fourth Proportional to 5,240.87, 7,232.16 and 2,883.01

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Solution

The fourth proportional to 5,240.87, 7,232.16 and 2,883.01 is: 3,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.87 : 7,232.16 = 2,883.01 : x
  2. Step 2: Convert to fraction form
    5,240.87/7,232.16 = 2,883.01/x
  3. Step 3: Cross multiply
    5,240.87x = 7,232.16 × 2,883.01
  4. Step 4: Simplify right side
    5,240.87x = 20,850,389.60
  5. Step 5: Solve for x
    x = 20,850,389.60/5,240.87
  6. Step 6: Final answer
    x = 3,978.42

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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.