Home / 5,425.33-7,486.53-3,156.32

Finding the Fourth Proportional to 5,425.33, 7,486.53 and 3,156.32

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Solution

The fourth proportional to 5,425.33, 7,486.53 and 3,156.32 is: 4,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.33 : 7,486.53 = 3,156.32 : x
  2. Step 2: Convert to fraction form
    5,425.33/7,486.53 = 3,156.32/x
  3. Step 3: Cross multiply
    5,425.33x = 7,486.53 × 3,156.32
  4. Step 4: Simplify right side
    5,425.33x = 23,629,849.14
  5. Step 5: Solve for x
    x = 23,629,849.14/5,425.33
  6. Step 6: Final answer
    x = 4,355.47

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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.