Home / 5,337.72-8,004.44-2,215.60

Finding the Fourth Proportional to 5,337.72, 8,004.44 and 2,215.60

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Solution

The fourth proportional to 5,337.72, 8,004.44 and 2,215.60 is: 3,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.72 : 8,004.44 = 2,215.60 : x
  2. Step 2: Convert to fraction form
    5,337.72/8,004.44 = 2,215.60/x
  3. Step 3: Cross multiply
    5,337.72x = 8,004.44 × 2,215.60
  4. Step 4: Simplify right side
    5,337.72x = 17,734,637.26
  5. Step 5: Solve for x
    x = 17,734,637.26/5,337.72
  6. Step 6: Final answer
    x = 3,322.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.