Home / 6,107.59-8,428.01-3,455.25

Finding the Fourth Proportional to 6,107.59, 8,428.01 and 3,455.25

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Solution

The fourth proportional to 6,107.59, 8,428.01 and 3,455.25 is: 4,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.59 : 8,428.01 = 3,455.25 : x
  2. Step 2: Convert to fraction form
    6,107.59/8,428.01 = 3,455.25/x
  3. Step 3: Cross multiply
    6,107.59x = 8,428.01 × 3,455.25
  4. Step 4: Simplify right side
    6,107.59x = 29,120,881.55
  5. Step 5: Solve for x
    x = 29,120,881.55/6,107.59
  6. Step 6: Final answer
    x = 4,767.98

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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.