Home / 5,439.09-7,524.32-5,242.26

Finding the Fourth Proportional to 5,439.09, 7,524.32 and 5,242.26

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Solution

The fourth proportional to 5,439.09, 7,524.32 and 5,242.26 is: 7,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.09 : 7,524.32 = 5,242.26 : x
  2. Step 2: Convert to fraction form
    5,439.09/7,524.32 = 5,242.26/x
  3. Step 3: Cross multiply
    5,439.09x = 7,524.32 × 5,242.26
  4. Step 4: Simplify right side
    5,439.09x = 39,444,415.55
  5. Step 5: Solve for x
    x = 39,444,415.55/5,439.09
  6. Step 6: Final answer
    x = 7,252.02

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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.