Home / 3,300.80-4,554.98-1,975.24

Finding the Fourth Proportional to 3,300.80, 4,554.98 and 1,975.24

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Solution

The fourth proportional to 3,300.80, 4,554.98 and 1,975.24 is: 2,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.80 : 4,554.98 = 1,975.24 : x
  2. Step 2: Convert to fraction form
    3,300.80/4,554.98 = 1,975.24/x
  3. Step 3: Cross multiply
    3,300.80x = 4,554.98 × 1,975.24
  4. Step 4: Simplify right side
    3,300.80x = 8,997,157.43
  5. Step 5: Solve for x
    x = 8,997,157.43/3,300.80
  6. Step 6: Final answer
    x = 2,725.75

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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.