Home / 4,875.89-7,315.07-2,798.24

Finding the Fourth Proportional to 4,875.89, 7,315.07 and 2,798.24

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Solution

The fourth proportional to 4,875.89, 7,315.07 and 2,798.24 is: 4,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.89 : 7,315.07 = 2,798.24 : x
  2. Step 2: Convert to fraction form
    4,875.89/7,315.07 = 2,798.24/x
  3. Step 3: Cross multiply
    4,875.89x = 7,315.07 × 2,798.24
  4. Step 4: Simplify right side
    4,875.89x = 20,469,270.91
  5. Step 5: Solve for x
    x = 20,469,270.91/4,875.89
  6. Step 6: Final answer
    x = 4,198.06

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1.5x scale

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.