Home / 4,072.08-5,619.74-2,303.68

Finding the Fourth Proportional to 4,072.08, 5,619.74 and 2,303.68

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Solution

The fourth proportional to 4,072.08, 5,619.74 and 2,303.68 is: 3,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.08 : 5,619.74 = 2,303.68 : x
  2. Step 2: Convert to fraction form
    4,072.08/5,619.74 = 2,303.68/x
  3. Step 3: Cross multiply
    4,072.08x = 5,619.74 × 2,303.68
  4. Step 4: Simplify right side
    4,072.08x = 12,946,082.64
  5. Step 5: Solve for x
    x = 12,946,082.64/4,072.08
  6. Step 6: Final answer
    x = 3,179.23

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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.