Home / 5,051.13-6,969.80-2,813.03

Finding the Fourth Proportional to 5,051.13, 6,969.80 and 2,813.03

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Solution

The fourth proportional to 5,051.13, 6,969.80 and 2,813.03 is: 3,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.13 : 6,969.80 = 2,813.03 : x
  2. Step 2: Convert to fraction form
    5,051.13/6,969.80 = 2,813.03/x
  3. Step 3: Cross multiply
    5,051.13x = 6,969.80 × 2,813.03
  4. Step 4: Simplify right side
    5,051.13x = 19,606,207.58
  5. Step 5: Solve for x
    x = 19,606,207.58/5,051.13
  6. Step 6: Final answer
    x = 3,881.55

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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.