Home / 3,189.24-4,398.18-2,068.98

Finding the Fourth Proportional to 3,189.24, 4,398.18 and 2,068.98

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Solution

The fourth proportional to 3,189.24, 4,398.18 and 2,068.98 is: 2,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.24 : 4,398.18 = 2,068.98 : x
  2. Step 2: Convert to fraction form
    3,189.24/4,398.18 = 2,068.98/x
  3. Step 3: Cross multiply
    3,189.24x = 4,398.18 × 2,068.98
  4. Step 4: Simplify right side
    3,189.24x = 9,099,746.46
  5. Step 5: Solve for x
    x = 9,099,746.46/3,189.24
  6. Step 6: Final answer
    x = 2,853.26

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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.