Home / 6,427.14-8,869.67-3,774.49

Finding the Fourth Proportional to 6,427.14, 8,869.67 and 3,774.49

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Solution

The fourth proportional to 6,427.14, 8,869.67 and 3,774.49 is: 5,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.14 : 8,869.67 = 3,774.49 : x
  2. Step 2: Convert to fraction form
    6,427.14/8,869.67 = 3,774.49/x
  3. Step 3: Cross multiply
    6,427.14x = 8,869.67 × 3,774.49
  4. Step 4: Simplify right side
    6,427.14x = 33,478,480.72
  5. Step 5: Solve for x
    x = 33,478,480.72/6,427.14
  6. Step 6: Final answer
    x = 5,208.92

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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.