Home / 3,571.08-4,927.80-2,079.06

Finding the Fourth Proportional to 3,571.08, 4,927.80 and 2,079.06

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Solution

The fourth proportional to 3,571.08, 4,927.80 and 2,079.06 is: 2,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.08 : 4,927.80 = 2,079.06 : x
  2. Step 2: Convert to fraction form
    3,571.08/4,927.80 = 2,079.06/x
  3. Step 3: Cross multiply
    3,571.08x = 4,927.80 × 2,079.06
  4. Step 4: Simplify right side
    3,571.08x = 10,245,191.87
  5. Step 5: Solve for x
    x = 10,245,191.87/3,571.08
  6. Step 6: Final answer
    x = 2,868.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.