Home / 4,932.20-7,393.50-1,811.32

Finding the Fourth Proportional to 4,932.20, 7,393.50 and 1,811.32

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Solution

The fourth proportional to 4,932.20, 7,393.50 and 1,811.32 is: 2,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.20 : 7,393.50 = 1,811.32 : x
  2. Step 2: Convert to fraction form
    4,932.20/7,393.50 = 1,811.32/x
  3. Step 3: Cross multiply
    4,932.20x = 7,393.50 × 1,811.32
  4. Step 4: Simplify right side
    4,932.20x = 13,391,994.42
  5. Step 5: Solve for x
    x = 13,391,994.42/4,932.20
  6. Step 6: Final answer
    x = 2,715.22

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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.