Home / 5,685.48-8,536.13-2,914.07

Finding the Fourth Proportional to 5,685.48, 8,536.13 and 2,914.07

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Solution

The fourth proportional to 5,685.48, 8,536.13 and 2,914.07 is: 4,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.48 : 8,536.13 = 2,914.07 : x
  2. Step 2: Convert to fraction form
    5,685.48/8,536.13 = 2,914.07/x
  3. Step 3: Cross multiply
    5,685.48x = 8,536.13 × 2,914.07
  4. Step 4: Simplify right side
    5,685.48x = 24,874,844.95
  5. Step 5: Solve for x
    x = 24,874,844.95/5,685.48
  6. Step 6: Final answer
    x = 4,375.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.