Home / 6,272.28-8,644.68-5,548.08

Finding the Fourth Proportional to 6,272.28, 8,644.68 and 5,548.08

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Solution

The fourth proportional to 6,272.28, 8,644.68 and 5,548.08 is: 7,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.28 : 8,644.68 = 5,548.08 : x
  2. Step 2: Convert to fraction form
    6,272.28/8,644.68 = 5,548.08/x
  3. Step 3: Cross multiply
    6,272.28x = 8,644.68 × 5,548.08
  4. Step 4: Simplify right side
    6,272.28x = 47,961,376.21
  5. Step 5: Solve for x
    x = 47,961,376.21/6,272.28
  6. Step 6: Final answer
    x = 7,646.56

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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.