Home / 6,189.50-8,541.51-3,395.06

Finding the Fourth Proportional to 6,189.50, 8,541.51 and 3,395.06

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Solution

The fourth proportional to 6,189.50, 8,541.51 and 3,395.06 is: 4,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.50 : 8,541.51 = 3,395.06 : x
  2. Step 2: Convert to fraction form
    6,189.50/8,541.51 = 3,395.06/x
  3. Step 3: Cross multiply
    6,189.50x = 8,541.51 × 3,395.06
  4. Step 4: Simplify right side
    6,189.50x = 28,998,938.94
  5. Step 5: Solve for x
    x = 28,998,938.94/6,189.50
  6. Step 6: Final answer
    x = 4,685.18

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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.