Home / 3,315.27-4,573.08-2,135.91

Finding the Fourth Proportional to 3,315.27, 4,573.08 and 2,135.91

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Solution

The fourth proportional to 3,315.27, 4,573.08 and 2,135.91 is: 2,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.27 : 4,573.08 = 2,135.91 : x
  2. Step 2: Convert to fraction form
    3,315.27/4,573.08 = 2,135.91/x
  3. Step 3: Cross multiply
    3,315.27x = 4,573.08 × 2,135.91
  4. Step 4: Simplify right side
    3,315.27x = 9,767,687.30
  5. Step 5: Solve for x
    x = 9,767,687.30/3,315.27
  6. Step 6: Final answer
    x = 2,946.27

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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.