Home / 2,760.13-3,809.63-1,816.02

Finding the Fourth Proportional to 2,760.13, 3,809.63 and 1,816.02

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Solution

The fourth proportional to 2,760.13, 3,809.63 and 1,816.02 is: 2,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.13 : 3,809.63 = 1,816.02 : x
  2. Step 2: Convert to fraction form
    2,760.13/3,809.63 = 1,816.02/x
  3. Step 3: Cross multiply
    2,760.13x = 3,809.63 × 1,816.02
  4. Step 4: Simplify right side
    2,760.13x = 6,918,368.81
  5. Step 5: Solve for x
    x = 6,918,368.81/2,760.13
  6. Step 6: Final answer
    x = 2,506.54

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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.