Home / 3,051.30-4,210.84-1,724.92

Finding the Fourth Proportional to 3,051.30, 4,210.84 and 1,724.92

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Solution

The fourth proportional to 3,051.30, 4,210.84 and 1,724.92 is: 2,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.30 : 4,210.84 = 1,724.92 : x
  2. Step 2: Convert to fraction form
    3,051.30/4,210.84 = 1,724.92/x
  3. Step 3: Cross multiply
    3,051.30x = 4,210.84 × 1,724.92
  4. Step 4: Simplify right side
    3,051.30x = 7,263,362.13
  5. Step 5: Solve for x
    x = 7,263,362.13/3,051.30
  6. Step 6: Final answer
    x = 2,380.42

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Half scale
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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.