Home / 4,733.28-7,102.80-1,811.88

Finding the Fourth Proportional to 4,733.28, 7,102.80 and 1,811.88

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Solution

The fourth proportional to 4,733.28, 7,102.80 and 1,811.88 is: 2,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,733.28 : 7,102.80 = 1,811.88 : x
  2. Step 2: Convert to fraction form
    4,733.28/7,102.80 = 1,811.88/x
  3. Step 3: Cross multiply
    4,733.28x = 7,102.80 × 1,811.88
  4. Step 4: Simplify right side
    4,733.28x = 12,869,421.26
  5. Step 5: Solve for x
    x = 12,869,421.26/4,733.28
  6. Step 6: Final answer
    x = 2,718.92

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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.