Home / 4,445.12-6,135.36-3,028.16

Finding the Fourth Proportional to 4,445.12, 6,135.36 and 3,028.16

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Solution

The fourth proportional to 4,445.12, 6,135.36 and 3,028.16 is: 4,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.12 : 6,135.36 = 3,028.16 : x
  2. Step 2: Convert to fraction form
    4,445.12/6,135.36 = 3,028.16/x
  3. Step 3: Cross multiply
    4,445.12x = 6,135.36 × 3,028.16
  4. Step 4: Simplify right side
    4,445.12x = 18,578,851.74
  5. Step 5: Solve for x
    x = 18,578,851.74/4,445.12
  6. Step 6: Final answer
    x = 4,179.61

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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.