Home / 3,609.02-4,980.45-2,037.12

Finding the Fourth Proportional to 3,609.02, 4,980.45 and 2,037.12

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Solution

The fourth proportional to 3,609.02, 4,980.45 and 2,037.12 is: 2,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.02 : 4,980.45 = 2,037.12 : x
  2. Step 2: Convert to fraction form
    3,609.02/4,980.45 = 2,037.12/x
  3. Step 3: Cross multiply
    3,609.02x = 4,980.45 × 2,037.12
  4. Step 4: Simplify right side
    3,609.02x = 10,145,774.30
  5. Step 5: Solve for x
    x = 10,145,774.30/3,609.02
  6. Step 6: Final answer
    x = 2,811.23

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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.