Home / 4,861.28-6,707.81-2,765

Finding the Fourth Proportional to 4,861.28, 6,707.81 and 2,765

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Solution

The fourth proportional to 4,861.28, 6,707.81 and 2,765 is: 3,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.28 : 6,707.81 = 2,765 : x
  2. Step 2: Convert to fraction form
    4,861.28/6,707.81 = 2,765/x
  3. Step 3: Cross multiply
    4,861.28x = 6,707.81 × 2,765
  4. Step 4: Simplify right side
    4,861.28x = 18,547,080.83
  5. Step 5: Solve for x
    x = 18,547,080.83/4,861.28
  6. Step 6: Final answer
    x = 3,815.27

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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.