Home / 2,210.75-3,051.09-1,327.04

Finding the Fourth Proportional to 2,210.75, 3,051.09 and 1,327.04

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Solution

The fourth proportional to 2,210.75, 3,051.09 and 1,327.04 is: 1,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.75 : 3,051.09 = 1,327.04 : x
  2. Step 2: Convert to fraction form
    2,210.75/3,051.09 = 1,327.04/x
  3. Step 3: Cross multiply
    2,210.75x = 3,051.09 × 1,327.04
  4. Step 4: Simplify right side
    2,210.75x = 4,048,918.47
  5. Step 5: Solve for x
    x = 4,048,918.47/2,210.75
  6. Step 6: Final answer
    x = 1,831.47

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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.