Home / 3,980.22-5,973.58-1,673.34

Finding the Fourth Proportional to 3,980.22, 5,973.58 and 1,673.34

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Solution

The fourth proportional to 3,980.22, 5,973.58 and 1,673.34 is: 2,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.22 : 5,973.58 = 1,673.34 : x
  2. Step 2: Convert to fraction form
    3,980.22/5,973.58 = 1,673.34/x
  3. Step 3: Cross multiply
    3,980.22x = 5,973.58 × 1,673.34
  4. Step 4: Simplify right side
    3,980.22x = 9,995,830.36
  5. Step 5: Solve for x
    x = 9,995,830.36/3,980.22
  6. Step 6: Final answer
    x = 2,511.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.