Home / 5,447.98-7,528.71-4,398.22

Finding the Fourth Proportional to 5,447.98, 7,528.71 and 4,398.22

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Solution

The fourth proportional to 5,447.98, 7,528.71 and 4,398.22 is: 6,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.98 : 7,528.71 = 4,398.22 : x
  2. Step 2: Convert to fraction form
    5,447.98/7,528.71 = 4,398.22/x
  3. Step 3: Cross multiply
    5,447.98x = 7,528.71 × 4,398.22
  4. Step 4: Simplify right side
    5,447.98x = 33,112,922.90
  5. Step 5: Solve for x
    x = 33,112,922.90/5,447.98
  6. Step 6: Final answer
    x = 6,078.02

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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.