Home / 5,902.09-8,146.28-3,384.16

Finding the Fourth Proportional to 5,902.09, 8,146.28 and 3,384.16

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Solution

The fourth proportional to 5,902.09, 8,146.28 and 3,384.16 is: 4,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.09 : 8,146.28 = 3,384.16 : x
  2. Step 2: Convert to fraction form
    5,902.09/8,146.28 = 3,384.16/x
  3. Step 3: Cross multiply
    5,902.09x = 8,146.28 × 3,384.16
  4. Step 4: Simplify right side
    5,902.09x = 27,568,277.64
  5. Step 5: Solve for x
    x = 27,568,277.64/5,902.09
  6. Step 6: Final answer
    x = 4,670.94

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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.