Home / 3,610.14-4,980.50-2,431.59

Finding the Fourth Proportional to 3,610.14, 4,980.50 and 2,431.59

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Solution

The fourth proportional to 3,610.14, 4,980.50 and 2,431.59 is: 3,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.14 : 4,980.50 = 2,431.59 : x
  2. Step 2: Convert to fraction form
    3,610.14/4,980.50 = 2,431.59/x
  3. Step 3: Cross multiply
    3,610.14x = 4,980.50 × 2,431.59
  4. Step 4: Simplify right side
    3,610.14x = 12,110,509.09
  5. Step 5: Solve for x
    x = 12,110,509.09/3,610.14
  6. Step 6: Final answer
    x = 3,354.59

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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.