Home / 7,220.63-10,826.49-2,836.10

Finding the Fourth Proportional to 7,220.63, 10,826.49 and 2,836.10

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Solution

The fourth proportional to 7,220.63, 10,826.49 and 2,836.10 is: 4,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.63 : 10,826.49 = 2,836.10 : x
  2. Step 2: Convert to fraction form
    7,220.63/10,826.49 = 2,836.10/x
  3. Step 3: Cross multiply
    7,220.63x = 10,826.49 × 2,836.10
  4. Step 4: Simplify right side
    7,220.63x = 30,705,008.29
  5. Step 5: Solve for x
    x = 30,705,008.29/7,220.63
  6. Step 6: Final answer
    x = 4,252.40

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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.