Home / 5,412.02-7,467.38-3,648.64

Finding the Fourth Proportional to 5,412.02, 7,467.38 and 3,648.64

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Solution

The fourth proportional to 5,412.02, 7,467.38 and 3,648.64 is: 5,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.02 : 7,467.38 = 3,648.64 : x
  2. Step 2: Convert to fraction form
    5,412.02/7,467.38 = 3,648.64/x
  3. Step 3: Cross multiply
    5,412.02x = 7,467.38 × 3,648.64
  4. Step 4: Simplify right side
    5,412.02x = 27,245,781.36
  5. Step 5: Solve for x
    x = 27,245,781.36/5,412.02
  6. Step 6: Final answer
    x = 5,034.31

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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.