Home / 4,182.12-5,771.30-2,319.08

Finding the Fourth Proportional to 4,182.12, 5,771.30 and 2,319.08

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Solution

The fourth proportional to 4,182.12, 5,771.30 and 2,319.08 is: 3,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.12 : 5,771.30 = 2,319.08 : x
  2. Step 2: Convert to fraction form
    4,182.12/5,771.30 = 2,319.08/x
  3. Step 3: Cross multiply
    4,182.12x = 5,771.30 × 2,319.08
  4. Step 4: Simplify right side
    4,182.12x = 13,384,106.40
  5. Step 5: Solve for x
    x = 13,384,106.40/4,182.12
  6. Step 6: Final answer
    x = 3,200.32

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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.