Home / 2,283.42-3,428.37-2,179.02

Finding the Fourth Proportional to 2,283.42, 3,428.37 and 2,179.02

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Solution

The fourth proportional to 2,283.42, 3,428.37 and 2,179.02 is: 3,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.42 : 3,428.37 = 2,179.02 : x
  2. Step 2: Convert to fraction form
    2,283.42/3,428.37 = 2,179.02/x
  3. Step 3: Cross multiply
    2,283.42x = 3,428.37 × 2,179.02
  4. Step 4: Simplify right side
    2,283.42x = 7,470,486.80
  5. Step 5: Solve for x
    x = 7,470,486.80/2,283.42
  6. Step 6: Final answer
    x = 3,271.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.