Home / 3,012.10-4,152.59-2,228.02

Finding the Fourth Proportional to 3,012.10, 4,152.59 and 2,228.02

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Solution

The fourth proportional to 3,012.10, 4,152.59 and 2,228.02 is: 3,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.10 : 4,152.59 = 2,228.02 : x
  2. Step 2: Convert to fraction form
    3,012.10/4,152.59 = 2,228.02/x
  3. Step 3: Cross multiply
    3,012.10x = 4,152.59 × 2,228.02
  4. Step 4: Simplify right side
    3,012.10x = 9,252,053.57
  5. Step 5: Solve for x
    x = 9,252,053.57/3,012.10
  6. Step 6: Final answer
    x = 3,071.63

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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.