Home / 7,005.08-9,667.45-3,861.27

Finding the Fourth Proportional to 7,005.08, 9,667.45 and 3,861.27

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Solution

The fourth proportional to 7,005.08, 9,667.45 and 3,861.27 is: 5,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.08 : 9,667.45 = 3,861.27 : x
  2. Step 2: Convert to fraction form
    7,005.08/9,667.45 = 3,861.27/x
  3. Step 3: Cross multiply
    7,005.08x = 9,667.45 × 3,861.27
  4. Step 4: Simplify right side
    7,005.08x = 37,328,639.49
  5. Step 5: Solve for x
    x = 37,328,639.49/7,005.08
  6. Step 6: Final answer
    x = 5,328.79

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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.