Home / 4,475.21-6,172.98-2,883.92

Finding the Fourth Proportional to 4,475.21, 6,172.98 and 2,883.92

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Solution

The fourth proportional to 4,475.21, 6,172.98 and 2,883.92 is: 3,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.21 : 6,172.98 = 2,883.92 : x
  2. Step 2: Convert to fraction form
    4,475.21/6,172.98 = 2,883.92/x
  3. Step 3: Cross multiply
    4,475.21x = 6,172.98 × 2,883.92
  4. Step 4: Simplify right side
    4,475.21x = 17,802,380.48
  5. Step 5: Solve for x
    x = 17,802,380.48/4,475.21
  6. Step 6: Final answer
    x = 3,978.00

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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.