Home / 6,900.48-10,348.29-2,220.30

Finding the Fourth Proportional to 6,900.48, 10,348.29 and 2,220.30

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Solution

The fourth proportional to 6,900.48, 10,348.29 and 2,220.30 is: 3,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.48 : 10,348.29 = 2,220.30 : x
  2. Step 2: Convert to fraction form
    6,900.48/10,348.29 = 2,220.30/x
  3. Step 3: Cross multiply
    6,900.48x = 10,348.29 × 2,220.30
  4. Step 4: Simplify right side
    6,900.48x = 22,976,308.29
  5. Step 5: Solve for x
    x = 22,976,308.29/6,900.48
  6. Step 6: Final answer
    x = 3,329.67

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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.