Home / 4,770.95-7,160.60-2,551.55

Finding the Fourth Proportional to 4,770.95, 7,160.60 and 2,551.55

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Solution

The fourth proportional to 4,770.95, 7,160.60 and 2,551.55 is: 3,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.95 : 7,160.60 = 2,551.55 : x
  2. Step 2: Convert to fraction form
    4,770.95/7,160.60 = 2,551.55/x
  3. Step 3: Cross multiply
    4,770.95x = 7,160.60 × 2,551.55
  4. Step 4: Simplify right side
    4,770.95x = 18,270,639.78
  5. Step 5: Solve for x
    x = 18,270,639.78/4,770.95
  6. Step 6: Final answer
    x = 3,829.56

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1.5x scale

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.