Home / 5,240.88-7,232.58-2,883.18

Finding the Fourth Proportional to 5,240.88, 7,232.58 and 2,883.18

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Solution

The fourth proportional to 5,240.88, 7,232.58 and 2,883.18 is: 3,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.88 : 7,232.58 = 2,883.18 : x
  2. Step 2: Convert to fraction form
    5,240.88/7,232.58 = 2,883.18/x
  3. Step 3: Cross multiply
    5,240.88x = 7,232.58 × 2,883.18
  4. Step 4: Simplify right side
    5,240.88x = 20,852,830.00
  5. Step 5: Solve for x
    x = 20,852,830.00/5,240.88
  6. Step 6: Final answer
    x = 3,978.88

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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.