Home / 3,894.58-5,374.74-3,632.14

Finding the Fourth Proportional to 3,894.58, 5,374.74 and 3,632.14

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Solution

The fourth proportional to 3,894.58, 5,374.74 and 3,632.14 is: 5,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.58 : 5,374.74 = 3,632.14 : x
  2. Step 2: Convert to fraction form
    3,894.58/5,374.74 = 3,632.14/x
  3. Step 3: Cross multiply
    3,894.58x = 5,374.74 × 3,632.14
  4. Step 4: Simplify right side
    3,894.58x = 19,521,808.14
  5. Step 5: Solve for x
    x = 19,521,808.14/3,894.58
  6. Step 6: Final answer
    x = 5,012.56

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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.