Home / 4,909.32-7,364.07-1,622.70

Finding the Fourth Proportional to 4,909.32, 7,364.07 and 1,622.70

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Solution

The fourth proportional to 4,909.32, 7,364.07 and 1,622.70 is: 2,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.32 : 7,364.07 = 1,622.70 : x
  2. Step 2: Convert to fraction form
    4,909.32/7,364.07 = 1,622.70/x
  3. Step 3: Cross multiply
    4,909.32x = 7,364.07 × 1,622.70
  4. Step 4: Simplify right side
    4,909.32x = 11,949,676.39
  5. Step 5: Solve for x
    x = 11,949,676.39/4,909.32
  6. Step 6: Final answer
    x = 2,434.08

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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.