Home / 3,062.88-4,219.84-2,303.28

Finding the Fourth Proportional to 3,062.88, 4,219.84 and 2,303.28

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Solution

The fourth proportional to 3,062.88, 4,219.84 and 2,303.28 is: 3,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.88 : 4,219.84 = 2,303.28 : x
  2. Step 2: Convert to fraction form
    3,062.88/4,219.84 = 2,303.28/x
  3. Step 3: Cross multiply
    3,062.88x = 4,219.84 × 2,303.28
  4. Step 4: Simplify right side
    3,062.88x = 9,719,473.08
  5. Step 5: Solve for x
    x = 9,719,473.08/3,062.88
  6. Step 6: Final answer
    x = 3,173.31

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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.