Home / 7,048.80-10,571.58-2,118.33

Finding the Fourth Proportional to 7,048.80, 10,571.58 and 2,118.33

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Solution

The fourth proportional to 7,048.80, 10,571.58 and 2,118.33 is: 3,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.80 : 10,571.58 = 2,118.33 : x
  2. Step 2: Convert to fraction form
    7,048.80/10,571.58 = 2,118.33/x
  3. Step 3: Cross multiply
    7,048.80x = 10,571.58 × 2,118.33
  4. Step 4: Simplify right side
    7,048.80x = 22,394,095.06
  5. Step 5: Solve for x
    x = 22,394,095.06/7,048.80
  6. Step 6: Final answer
    x = 3,177.01

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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.