Home / 2,988.28-4,476.50-2,048.92

Finding the Fourth Proportional to 2,988.28, 4,476.50 and 2,048.92

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Solution

The fourth proportional to 2,988.28, 4,476.50 and 2,048.92 is: 3,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.28 : 4,476.50 = 2,048.92 : x
  2. Step 2: Convert to fraction form
    2,988.28/4,476.50 = 2,048.92/x
  3. Step 3: Cross multiply
    2,988.28x = 4,476.50 × 2,048.92
  4. Step 4: Simplify right side
    2,988.28x = 9,171,968.00
  5. Step 5: Solve for x
    x = 9,171,968.00/2,988.28
  6. Step 6: Final answer
    x = 3,069.31

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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.