Home / 2,867.23-3,955.87-1,608.10

Finding the Fourth Proportional to 2,867.23, 3,955.87 and 1,608.10

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Solution

The fourth proportional to 2,867.23, 3,955.87 and 1,608.10 is: 2,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.23 : 3,955.87 = 1,608.10 : x
  2. Step 2: Convert to fraction form
    2,867.23/3,955.87 = 1,608.10/x
  3. Step 3: Cross multiply
    2,867.23x = 3,955.87 × 1,608.10
  4. Step 4: Simplify right side
    2,867.23x = 6,361,434.55
  5. Step 5: Solve for x
    x = 6,361,434.55/2,867.23
  6. Step 6: Final answer
    x = 2,218.67

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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.