Home / 4,789.07-7,182.02-1,867.15

Finding the Fourth Proportional to 4,789.07, 7,182.02 and 1,867.15

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Solution

The fourth proportional to 4,789.07, 7,182.02 and 1,867.15 is: 2,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.07 : 7,182.02 = 1,867.15 : x
  2. Step 2: Convert to fraction form
    4,789.07/7,182.02 = 1,867.15/x
  3. Step 3: Cross multiply
    4,789.07x = 7,182.02 × 1,867.15
  4. Step 4: Simplify right side
    4,789.07x = 13,409,911.79
  5. Step 5: Solve for x
    x = 13,409,911.79/4,789.07
  6. Step 6: Final answer
    x = 2,800.11

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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.