Home / 6,877.12-10,307.56-2,973.28

Finding the Fourth Proportional to 6,877.12, 10,307.56 and 2,973.28

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Solution

The fourth proportional to 6,877.12, 10,307.56 and 2,973.28 is: 4,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.12 : 10,307.56 = 2,973.28 : x
  2. Step 2: Convert to fraction form
    6,877.12/10,307.56 = 2,973.28/x
  3. Step 3: Cross multiply
    6,877.12x = 10,307.56 × 2,973.28
  4. Step 4: Simplify right side
    6,877.12x = 30,647,262.00
  5. Step 5: Solve for x
    x = 30,647,262.00/6,877.12
  6. Step 6: Final answer
    x = 4,456.41

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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.