Home / 6,107.44-8,428.88-3,717.58

Finding the Fourth Proportional to 6,107.44, 8,428.88 and 3,717.58

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Solution

The fourth proportional to 6,107.44, 8,428.88 and 3,717.58 is: 5,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.44 : 8,428.88 = 3,717.58 : x
  2. Step 2: Convert to fraction form
    6,107.44/8,428.88 = 3,717.58/x
  3. Step 3: Cross multiply
    6,107.44x = 8,428.88 × 3,717.58
  4. Step 4: Simplify right side
    6,107.44x = 31,335,035.71
  5. Step 5: Solve for x
    x = 31,335,035.71/6,107.44
  6. Step 6: Final answer
    x = 5,130.63

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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.