Home / 3,271.24-4,515.06-2,223.64

Finding the Fourth Proportional to 3,271.24, 4,515.06 and 2,223.64

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Solution

The fourth proportional to 3,271.24, 4,515.06 and 2,223.64 is: 3,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.24 : 4,515.06 = 2,223.64 : x
  2. Step 2: Convert to fraction form
    3,271.24/4,515.06 = 2,223.64/x
  3. Step 3: Cross multiply
    3,271.24x = 4,515.06 × 2,223.64
  4. Step 4: Simplify right side
    3,271.24x = 10,039,868.02
  5. Step 5: Solve for x
    x = 10,039,868.02/3,271.24
  6. Step 6: Final answer
    x = 3,069.13

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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.