Home / 2,220.32-3,064.03-1,631.95

Finding the Fourth Proportional to 2,220.32, 3,064.03 and 1,631.95

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Solution

The fourth proportional to 2,220.32, 3,064.03 and 1,631.95 is: 2,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.32 : 3,064.03 = 1,631.95 : x
  2. Step 2: Convert to fraction form
    2,220.32/3,064.03 = 1,631.95/x
  3. Step 3: Cross multiply
    2,220.32x = 3,064.03 × 1,631.95
  4. Step 4: Simplify right side
    2,220.32x = 5,000,343.76
  5. Step 5: Solve for x
    x = 5,000,343.76/2,220.32
  6. Step 6: Final answer
    x = 2,252.09

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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.