Home / 6,655.53-9,185.09-3,861.03

Finding the Fourth Proportional to 6,655.53, 9,185.09 and 3,861.03

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Solution

The fourth proportional to 6,655.53, 9,185.09 and 3,861.03 is: 5,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.53 : 9,185.09 = 3,861.03 : x
  2. Step 2: Convert to fraction form
    6,655.53/9,185.09 = 3,861.03/x
  3. Step 3: Cross multiply
    6,655.53x = 9,185.09 × 3,861.03
  4. Step 4: Simplify right side
    6,655.53x = 35,463,888.74
  5. Step 5: Solve for x
    x = 35,463,888.74/6,655.53
  6. Step 6: Final answer
    x = 5,328.48

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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.