Home / 4,801.15-6,622.90-2,811.32

Finding the Fourth Proportional to 4,801.15, 6,622.90 and 2,811.32

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Solution

The fourth proportional to 4,801.15, 6,622.90 and 2,811.32 is: 3,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.15 : 6,622.90 = 2,811.32 : x
  2. Step 2: Convert to fraction form
    4,801.15/6,622.90 = 2,811.32/x
  3. Step 3: Cross multiply
    4,801.15x = 6,622.90 × 2,811.32
  4. Step 4: Simplify right side
    4,801.15x = 18,619,091.23
  5. Step 5: Solve for x
    x = 18,619,091.23/4,801.15
  6. Step 6: Final answer
    x = 3,878.05

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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.