Home / 6,125.18-8,451.82-3,607.40

Finding the Fourth Proportional to 6,125.18, 8,451.82 and 3,607.40

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Solution

The fourth proportional to 6,125.18, 8,451.82 and 3,607.40 is: 4,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.18 : 8,451.82 = 3,607.40 : x
  2. Step 2: Convert to fraction form
    6,125.18/8,451.82 = 3,607.40/x
  3. Step 3: Cross multiply
    6,125.18x = 8,451.82 × 3,607.40
  4. Step 4: Simplify right side
    6,125.18x = 30,489,107.58
  5. Step 5: Solve for x
    x = 30,489,107.58/6,125.18
  6. Step 6: Final answer
    x = 4,977.67

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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.