Home / 3,271.98-4,513.05-2,152.56

Finding the Fourth Proportional to 3,271.98, 4,513.05 and 2,152.56

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Solution

The fourth proportional to 3,271.98, 4,513.05 and 2,152.56 is: 2,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.98 : 4,513.05 = 2,152.56 : x
  2. Step 2: Convert to fraction form
    3,271.98/4,513.05 = 2,152.56/x
  3. Step 3: Cross multiply
    3,271.98x = 4,513.05 × 2,152.56
  4. Step 4: Simplify right side
    3,271.98x = 9,714,610.91
  5. Step 5: Solve for x
    x = 9,714,610.91/3,271.98
  6. Step 6: Final answer
    x = 2,969.03

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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.