Home / 5,240.84-7,232.36-2,883.06

Finding the Fourth Proportional to 5,240.84, 7,232.36 and 2,883.06

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Solution

The fourth proportional to 5,240.84, 7,232.36 and 2,883.06 is: 3,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.84 : 7,232.36 = 2,883.06 : x
  2. Step 2: Convert to fraction form
    5,240.84/7,232.36 = 2,883.06/x
  3. Step 3: Cross multiply
    5,240.84x = 7,232.36 × 2,883.06
  4. Step 4: Simplify right side
    5,240.84x = 20,851,313.41
  5. Step 5: Solve for x
    x = 20,851,313.41/5,240.84
  6. Step 6: Final answer
    x = 3,978.62

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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.