Home / 3,099.12-4,276.76-1,736.32

Finding the Fourth Proportional to 3,099.12, 4,276.76 and 1,736.32

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Solution

The fourth proportional to 3,099.12, 4,276.76 and 1,736.32 is: 2,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.12 : 4,276.76 = 1,736.32 : x
  2. Step 2: Convert to fraction form
    3,099.12/4,276.76 = 1,736.32/x
  3. Step 3: Cross multiply
    3,099.12x = 4,276.76 × 1,736.32
  4. Step 4: Simplify right side
    3,099.12x = 7,425,823.92
  5. Step 5: Solve for x
    x = 7,425,823.92/3,099.12
  6. Step 6: Final answer
    x = 2,396.11

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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.