Home / 6,107.68-8,428.59-3,313.18

Finding the Fourth Proportional to 6,107.68, 8,428.59 and 3,313.18

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Solution

The fourth proportional to 6,107.68, 8,428.59 and 3,313.18 is: 4,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.68 : 8,428.59 = 3,313.18 : x
  2. Step 2: Convert to fraction form
    6,107.68/8,428.59 = 3,313.18/x
  3. Step 3: Cross multiply
    6,107.68x = 8,428.59 × 3,313.18
  4. Step 4: Simplify right side
    6,107.68x = 27,925,435.82
  5. Step 5: Solve for x
    x = 27,925,435.82/6,107.68
  6. Step 6: Final answer
    x = 4,572.18

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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.