Home / 3,080.48-4,253.03-1,902.23

Finding the Fourth Proportional to 3,080.48, 4,253.03 and 1,902.23

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Solution

The fourth proportional to 3,080.48, 4,253.03 and 1,902.23 is: 2,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.48 : 4,253.03 = 1,902.23 : x
  2. Step 2: Convert to fraction form
    3,080.48/4,253.03 = 1,902.23/x
  3. Step 3: Cross multiply
    3,080.48x = 4,253.03 × 1,902.23
  4. Step 4: Simplify right side
    3,080.48x = 8,090,262.84
  5. Step 5: Solve for x
    x = 8,090,262.84/3,080.48
  6. Step 6: Final answer
    x = 2,626.30

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Half scale
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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.