Home / 4,933.61-7,400.50-1,646.72

Finding the Fourth Proportional to 4,933.61, 7,400.50 and 1,646.72

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Solution

The fourth proportional to 4,933.61, 7,400.50 and 1,646.72 is: 2,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.61 : 7,400.50 = 1,646.72 : x
  2. Step 2: Convert to fraction form
    4,933.61/7,400.50 = 1,646.72/x
  3. Step 3: Cross multiply
    4,933.61x = 7,400.50 × 1,646.72
  4. Step 4: Simplify right side
    4,933.61x = 12,186,565.74
  5. Step 5: Solve for x
    x = 12,186,565.74/4,933.61
  6. Step 6: Final answer
    x = 2,470.11

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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.