Home / 5,825.13-8,729.84-4,178.07

Finding the Fourth Proportional to 5,825.13, 8,729.84 and 4,178.07

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Solution

The fourth proportional to 5,825.13, 8,729.84 and 4,178.07 is: 6,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.13 : 8,729.84 = 4,178.07 : x
  2. Step 2: Convert to fraction form
    5,825.13/8,729.84 = 4,178.07/x
  3. Step 3: Cross multiply
    5,825.13x = 8,729.84 × 4,178.07
  4. Step 4: Simplify right side
    5,825.13x = 36,473,861.72
  5. Step 5: Solve for x
    x = 36,473,861.72/5,825.13
  6. Step 6: Final answer
    x = 6,261.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.