Home / 2,988.13-4,472.61-1,597.99

Finding the Fourth Proportional to 2,988.13, 4,472.61 and 1,597.99

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Solution

The fourth proportional to 2,988.13, 4,472.61 and 1,597.99 is: 2,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.13 : 4,472.61 = 1,597.99 : x
  2. Step 2: Convert to fraction form
    2,988.13/4,472.61 = 1,597.99/x
  3. Step 3: Cross multiply
    2,988.13x = 4,472.61 × 1,597.99
  4. Step 4: Simplify right side
    2,988.13x = 7,147,186.05
  5. Step 5: Solve for x
    x = 7,147,186.05/2,988.13
  6. Step 6: Final answer
    x = 2,391.86

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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.