Home / 4,866.50-6,715.78-2,770.63

Finding the Fourth Proportional to 4,866.50, 6,715.78 and 2,770.63

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Solution

The fourth proportional to 4,866.50, 6,715.78 and 2,770.63 is: 3,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.50 : 6,715.78 = 2,770.63 : x
  2. Step 2: Convert to fraction form
    4,866.50/6,715.78 = 2,770.63/x
  3. Step 3: Cross multiply
    4,866.50x = 6,715.78 × 2,770.63
  4. Step 4: Simplify right side
    4,866.50x = 18,606,907.96
  5. Step 5: Solve for x
    x = 18,606,907.96/4,866.50
  6. Step 6: Final answer
    x = 3,823.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.