Home / 6,107.05-8,426.35-3,718.25

Finding the Fourth Proportional to 6,107.05, 8,426.35 and 3,718.25

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Solution

The fourth proportional to 6,107.05, 8,426.35 and 3,718.25 is: 5,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.05 : 8,426.35 = 3,718.25 : x
  2. Step 2: Convert to fraction form
    6,107.05/8,426.35 = 3,718.25/x
  3. Step 3: Cross multiply
    6,107.05x = 8,426.35 × 3,718.25
  4. Step 4: Simplify right side
    6,107.05x = 31,331,327.86
  5. Step 5: Solve for x
    x = 31,331,327.86/6,107.05
  6. Step 6: Final answer
    x = 5,130.36

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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.