Home / 6,259.49-8,638.23-3,426.98

Finding the Fourth Proportional to 6,259.49, 8,638.23 and 3,426.98

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Solution

The fourth proportional to 6,259.49, 8,638.23 and 3,426.98 is: 4,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.49 : 8,638.23 = 3,426.98 : x
  2. Step 2: Convert to fraction form
    6,259.49/8,638.23 = 3,426.98/x
  3. Step 3: Cross multiply
    6,259.49x = 8,638.23 × 3,426.98
  4. Step 4: Simplify right side
    6,259.49x = 29,603,079.17
  5. Step 5: Solve for x
    x = 29,603,079.17/6,259.49
  6. Step 6: Final answer
    x = 4,729.31

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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.