Home / 3,460.32-4,775.36-1,968.20

Finding the Fourth Proportional to 3,460.32, 4,775.36 and 1,968.20

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Solution

The fourth proportional to 3,460.32, 4,775.36 and 1,968.20 is: 2,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.32 : 4,775.36 = 1,968.20 : x
  2. Step 2: Convert to fraction form
    3,460.32/4,775.36 = 1,968.20/x
  3. Step 3: Cross multiply
    3,460.32x = 4,775.36 × 1,968.20
  4. Step 4: Simplify right side
    3,460.32x = 9,398,847.74
  5. Step 5: Solve for x
    x = 9,398,847.74/3,460.32
  6. Step 6: Final answer
    x = 2,716.18

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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.