Home / 3,002.02-4,120.75-2,663.04

Finding the Fourth Proportional to 3,002.02, 4,120.75 and 2,663.04

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Solution

The fourth proportional to 3,002.02, 4,120.75 and 2,663.04 is: 3,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.02 : 4,120.75 = 2,663.04 : x
  2. Step 2: Convert to fraction form
    3,002.02/4,120.75 = 2,663.04/x
  3. Step 3: Cross multiply
    3,002.02x = 4,120.75 × 2,663.04
  4. Step 4: Simplify right side
    3,002.02x = 10,973,722.08
  5. Step 5: Solve for x
    x = 10,973,722.08/3,002.02
  6. Step 6: Final answer
    x = 3,655.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.