Home / 5,971.06-8,240.28-3,318.70

Finding the Fourth Proportional to 5,971.06, 8,240.28 and 3,318.70

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Solution

The fourth proportional to 5,971.06, 8,240.28 and 3,318.70 is: 4,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.06 : 8,240.28 = 3,318.70 : x
  2. Step 2: Convert to fraction form
    5,971.06/8,240.28 = 3,318.70/x
  3. Step 3: Cross multiply
    5,971.06x = 8,240.28 × 3,318.70
  4. Step 4: Simplify right side
    5,971.06x = 27,347,017.24
  5. Step 5: Solve for x
    x = 27,347,017.24/5,971.06
  6. Step 6: Final answer
    x = 4,579.93

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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.