Home / 6,107.64-8,428.56-3,313.14

Finding the Fourth Proportional to 6,107.64, 8,428.56 and 3,313.14

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Solution

The fourth proportional to 6,107.64, 8,428.56 and 3,313.14 is: 4,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.64 : 8,428.56 = 3,313.14 : x
  2. Step 2: Convert to fraction form
    6,107.64/8,428.56 = 3,313.14/x
  3. Step 3: Cross multiply
    6,107.64x = 8,428.56 × 3,313.14
  4. Step 4: Simplify right side
    6,107.64x = 27,924,999.28
  5. Step 5: Solve for x
    x = 27,924,999.28/6,107.64
  6. Step 6: Final answer
    x = 4,572.14

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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.