Home / 2,615.02-3,606.60-2,299.61

Finding the Fourth Proportional to 2,615.02, 3,606.60 and 2,299.61

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Solution

The fourth proportional to 2,615.02, 3,606.60 and 2,299.61 is: 3,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.02 : 3,606.60 = 2,299.61 : x
  2. Step 2: Convert to fraction form
    2,615.02/3,606.60 = 2,299.61/x
  3. Step 3: Cross multiply
    2,615.02x = 3,606.60 × 2,299.61
  4. Step 4: Simplify right side
    2,615.02x = 8,293,773.43
  5. Step 5: Solve for x
    x = 8,293,773.43/2,615.02
  6. Step 6: Final answer
    x = 3,171.60

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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.