Home / 5,625.32-8,388.36-5,349.42

Finding the Fourth Proportional to 5,625.32, 8,388.36 and 5,349.42

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Solution

The fourth proportional to 5,625.32, 8,388.36 and 5,349.42 is: 7,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.32 : 8,388.36 = 5,349.42 : x
  2. Step 2: Convert to fraction form
    5,625.32/8,388.36 = 5,349.42/x
  3. Step 3: Cross multiply
    5,625.32x = 8,388.36 × 5,349.42
  4. Step 4: Simplify right side
    5,625.32x = 44,872,860.75
  5. Step 5: Solve for x
    x = 44,872,860.75/5,625.32
  6. Step 6: Final answer
    x = 7,976.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.