Home / 3,406.03-4,700.64-2,080.63

Finding the Fourth Proportional to 3,406.03, 4,700.64 and 2,080.63

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Solution

The fourth proportional to 3,406.03, 4,700.64 and 2,080.63 is: 2,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.03 : 4,700.64 = 2,080.63 : x
  2. Step 2: Convert to fraction form
    3,406.03/4,700.64 = 2,080.63/x
  3. Step 3: Cross multiply
    3,406.03x = 4,700.64 × 2,080.63
  4. Step 4: Simplify right side
    3,406.03x = 9,780,292.60
  5. Step 5: Solve for x
    x = 9,780,292.60/3,406.03
  6. Step 6: Final answer
    x = 2,871.46

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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.