Home / 4,681.52-7,022.30-1,218.52

Finding the Fourth Proportional to 4,681.52, 7,022.30 and 1,218.52

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Solution

The fourth proportional to 4,681.52, 7,022.30 and 1,218.52 is: 1,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.52 : 7,022.30 = 1,218.52 : x
  2. Step 2: Convert to fraction form
    4,681.52/7,022.30 = 1,218.52/x
  3. Step 3: Cross multiply
    4,681.52x = 7,022.30 × 1,218.52
  4. Step 4: Simplify right side
    4,681.52x = 8,556,813.00
  5. Step 5: Solve for x
    x = 8,556,813.00/4,681.52
  6. Step 6: Final answer
    x = 1,827.79

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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.