Home / 3,674.20-5,070.37-1,995.60

Finding the Fourth Proportional to 3,674.20, 5,070.37 and 1,995.60

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Solution

The fourth proportional to 3,674.20, 5,070.37 and 1,995.60 is: 2,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.20 : 5,070.37 = 1,995.60 : x
  2. Step 2: Convert to fraction form
    3,674.20/5,070.37 = 1,995.60/x
  3. Step 3: Cross multiply
    3,674.20x = 5,070.37 × 1,995.60
  4. Step 4: Simplify right side
    3,674.20x = 10,118,430.37
  5. Step 5: Solve for x
    x = 10,118,430.37/3,674.20
  6. Step 6: Final answer
    x = 2,753.91

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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.