Home / 3,985.08-5,499.54-2,492.52

Finding the Fourth Proportional to 3,985.08, 5,499.54 and 2,492.52

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Solution

The fourth proportional to 3,985.08, 5,499.54 and 2,492.52 is: 3,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.08 : 5,499.54 = 2,492.52 : x
  2. Step 2: Convert to fraction form
    3,985.08/5,499.54 = 2,492.52/x
  3. Step 3: Cross multiply
    3,985.08x = 5,499.54 × 2,492.52
  4. Step 4: Simplify right side
    3,985.08x = 13,707,713.44
  5. Step 5: Solve for x
    x = 13,707,713.44/3,985.08
  6. Step 6: Final answer
    x = 3,439.76

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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.