Home / 4,811.79-7,211.31-3,569.46

Finding the Fourth Proportional to 4,811.79, 7,211.31 and 3,569.46

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Solution

The fourth proportional to 4,811.79, 7,211.31 and 3,569.46 is: 5,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.79 : 7,211.31 = 3,569.46 : x
  2. Step 2: Convert to fraction form
    4,811.79/7,211.31 = 3,569.46/x
  3. Step 3: Cross multiply
    4,811.79x = 7,211.31 × 3,569.46
  4. Step 4: Simplify right side
    4,811.79x = 25,740,482.59
  5. Step 5: Solve for x
    x = 25,740,482.59/4,811.79
  6. Step 6: Final answer
    x = 5,349.46

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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.