Home / 4,901.04-7,356.42-3,987.36

Finding the Fourth Proportional to 4,901.04, 7,356.42 and 3,987.36

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Solution

The fourth proportional to 4,901.04, 7,356.42 and 3,987.36 is: 5,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.04 : 7,356.42 = 3,987.36 : x
  2. Step 2: Convert to fraction form
    4,901.04/7,356.42 = 3,987.36/x
  3. Step 3: Cross multiply
    4,901.04x = 7,356.42 × 3,987.36
  4. Step 4: Simplify right side
    4,901.04x = 29,332,694.85
  5. Step 5: Solve for x
    x = 29,332,694.85/4,901.04
  6. Step 6: Final answer
    x = 5,984.99

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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.