Home / 6,107.28-8,428.08-3,750.96

Finding the Fourth Proportional to 6,107.28, 8,428.08 and 3,750.96

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Solution

The fourth proportional to 6,107.28, 8,428.08 and 3,750.96 is: 5,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.28 : 8,428.08 = 3,750.96 : x
  2. Step 2: Convert to fraction form
    6,107.28/8,428.08 = 3,750.96/x
  3. Step 3: Cross multiply
    6,107.28x = 8,428.08 × 3,750.96
  4. Step 4: Simplify right side
    6,107.28x = 31,613,390.96
  5. Step 5: Solve for x
    x = 31,613,390.96/6,107.28
  6. Step 6: Final answer
    x = 5,176.35

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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.