Home / 3,066.40-4,234.80-2,360.80

Finding the Fourth Proportional to 3,066.40, 4,234.80 and 2,360.80

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Solution

The fourth proportional to 3,066.40, 4,234.80 and 2,360.80 is: 3,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.40 : 4,234.80 = 2,360.80 : x
  2. Step 2: Convert to fraction form
    3,066.40/4,234.80 = 2,360.80/x
  3. Step 3: Cross multiply
    3,066.40x = 4,234.80 × 2,360.80
  4. Step 4: Simplify right side
    3,066.40x = 9,997,515.84
  5. Step 5: Solve for x
    x = 9,997,515.84/3,066.40
  6. Step 6: Final answer
    x = 3,260.34

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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.