Home / 3,051.24-4,210.92-1,724.46

Finding the Fourth Proportional to 3,051.24, 4,210.92 and 1,724.46

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Solution

The fourth proportional to 3,051.24, 4,210.92 and 1,724.46 is: 2,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.24 : 4,210.92 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    3,051.24/4,210.92 = 1,724.46/x
  3. Step 3: Cross multiply
    3,051.24x = 4,210.92 × 1,724.46
  4. Step 4: Simplify right side
    3,051.24x = 7,261,563.10
  5. Step 5: Solve for x
    x = 7,261,563.10/3,051.24
  6. Step 6: Final answer
    x = 2,379.87

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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.