Home / 5,554.11-7,651.63-3,872.46

Finding the Fourth Proportional to 5,554.11, 7,651.63 and 3,872.46

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Solution

The fourth proportional to 5,554.11, 7,651.63 and 3,872.46 is: 5,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.11 : 7,651.63 = 3,872.46 : x
  2. Step 2: Convert to fraction form
    5,554.11/7,651.63 = 3,872.46/x
  3. Step 3: Cross multiply
    5,554.11x = 7,651.63 × 3,872.46
  4. Step 4: Simplify right side
    5,554.11x = 29,630,631.11
  5. Step 5: Solve for x
    x = 29,630,631.11/5,554.11
  6. Step 6: Final answer
    x = 5,334.90

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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.