Home / 4,622.82-6,938.35-2,159.00

Finding the Fourth Proportional to 4,622.82, 6,938.35 and 2,159.00

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Solution

The fourth proportional to 4,622.82, 6,938.35 and 2,159.00 is: 3,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.82 : 6,938.35 = 2,159.00 : x
  2. Step 2: Convert to fraction form
    4,622.82/6,938.35 = 2,159.00/x
  3. Step 3: Cross multiply
    4,622.82x = 6,938.35 × 2,159.00
  4. Step 4: Simplify right side
    4,622.82x = 14,979,909.60
  5. Step 5: Solve for x
    x = 14,979,909.60/4,622.82
  6. Step 6: Final answer
    x = 3,240.43

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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.