Home / 4,739.18-6,540.24-2,643.26

Finding the Fourth Proportional to 4,739.18, 6,540.24 and 2,643.26

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Solution

The fourth proportional to 4,739.18, 6,540.24 and 2,643.26 is: 3,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.18 : 6,540.24 = 2,643.26 : x
  2. Step 2: Convert to fraction form
    4,739.18/6,540.24 = 2,643.26/x
  3. Step 3: Cross multiply
    4,739.18x = 6,540.24 × 2,643.26
  4. Step 4: Simplify right side
    4,739.18x = 17,287,554.78
  5. Step 5: Solve for x
    x = 17,287,554.78/4,739.18
  6. Step 6: Final answer
    x = 3,647.79

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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.