Home / 6,259.95-8,638.83-3,427.27

Finding the Fourth Proportional to 6,259.95, 8,638.83 and 3,427.27

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Solution

The fourth proportional to 6,259.95, 8,638.83 and 3,427.27 is: 4,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.95 : 8,638.83 = 3,427.27 : x
  2. Step 2: Convert to fraction form
    6,259.95/8,638.83 = 3,427.27/x
  3. Step 3: Cross multiply
    6,259.95x = 8,638.83 × 3,427.27
  4. Step 4: Simplify right side
    6,259.95x = 29,607,615.92
  5. Step 5: Solve for x
    x = 29,607,615.92/6,259.95
  6. Step 6: Final answer
    x = 4,729.69

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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.