Home / 2,901.18-4,003.60-1,574.85

Finding the Fourth Proportional to 2,901.18, 4,003.60 and 1,574.85

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Solution

The fourth proportional to 2,901.18, 4,003.60 and 1,574.85 is: 2,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.18 : 4,003.60 = 1,574.85 : x
  2. Step 2: Convert to fraction form
    2,901.18/4,003.60 = 1,574.85/x
  3. Step 3: Cross multiply
    2,901.18x = 4,003.60 × 1,574.85
  4. Step 4: Simplify right side
    2,901.18x = 6,305,086.44
  5. Step 5: Solve for x
    x = 6,305,086.44/2,901.18
  6. Step 6: Final answer
    x = 2,173.29

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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.