Home / 4,895.76-6,756.42-2,771.40

Finding the Fourth Proportional to 4,895.76, 6,756.42 and 2,771.40

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Solution

The fourth proportional to 4,895.76, 6,756.42 and 2,771.40 is: 3,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.76 : 6,756.42 = 2,771.40 : x
  2. Step 2: Convert to fraction form
    4,895.76/6,756.42 = 2,771.40/x
  3. Step 3: Cross multiply
    4,895.76x = 6,756.42 × 2,771.40
  4. Step 4: Simplify right side
    4,895.76x = 18,724,742.39
  5. Step 5: Solve for x
    x = 18,724,742.39/4,895.76
  6. Step 6: Final answer
    x = 3,824.69

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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.