Home / 4,729.25-7,055.20-4,393.64

Finding the Fourth Proportional to 4,729.25, 7,055.20 and 4,393.64

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Solution

The fourth proportional to 4,729.25, 7,055.20 and 4,393.64 is: 6,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.25 : 7,055.20 = 4,393.64 : x
  2. Step 2: Convert to fraction form
    4,729.25/7,055.20 = 4,393.64/x
  3. Step 3: Cross multiply
    4,729.25x = 7,055.20 × 4,393.64
  4. Step 4: Simplify right side
    4,729.25x = 30,998,032.06
  5. Step 5: Solve for x
    x = 30,998,032.06/4,729.25
  6. Step 6: Final answer
    x = 6,554.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.