Home / 5,339.48-7,369.80-3,245.36

Finding the Fourth Proportional to 5,339.48, 7,369.80 and 3,245.36

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Solution

The fourth proportional to 5,339.48, 7,369.80 and 3,245.36 is: 4,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.48 : 7,369.80 = 3,245.36 : x
  2. Step 2: Convert to fraction form
    5,339.48/7,369.80 = 3,245.36/x
  3. Step 3: Cross multiply
    5,339.48x = 7,369.80 × 3,245.36
  4. Step 4: Simplify right side
    5,339.48x = 23,917,654.13
  5. Step 5: Solve for x
    x = 23,917,654.13/5,339.48
  6. Step 6: Final answer
    x = 4,479.40

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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.