Home / 6,418.08-8,857.18-3,623.52

Finding the Fourth Proportional to 6,418.08, 8,857.18 and 3,623.52

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Solution

The fourth proportional to 6,418.08, 8,857.18 and 3,623.52 is: 5,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.08 : 8,857.18 = 3,623.52 : x
  2. Step 2: Convert to fraction form
    6,418.08/8,857.18 = 3,623.52/x
  3. Step 3: Cross multiply
    6,418.08x = 8,857.18 × 3,623.52
  4. Step 4: Simplify right side
    6,418.08x = 32,094,168.87
  5. Step 5: Solve for x
    x = 32,094,168.87/6,418.08
  6. Step 6: Final answer
    x = 5,000.59

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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.