Home / 3,674.48-5,070.75-1,995.87

Finding the Fourth Proportional to 3,674.48, 5,070.75 and 1,995.87

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Solution

The fourth proportional to 3,674.48, 5,070.75 and 1,995.87 is: 2,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.48 : 5,070.75 = 1,995.87 : x
  2. Step 2: Convert to fraction form
    3,674.48/5,070.75 = 1,995.87/x
  3. Step 3: Cross multiply
    3,674.48x = 5,070.75 × 1,995.87
  4. Step 4: Simplify right side
    3,674.48x = 10,120,557.80
  5. Step 5: Solve for x
    x = 10,120,557.80/3,674.48
  6. Step 6: Final answer
    x = 2,754.28

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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.