Home / 2,186.02-3,014.62-1,439.24

Finding the Fourth Proportional to 2,186.02, 3,014.62 and 1,439.24

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Solution

The fourth proportional to 2,186.02, 3,014.62 and 1,439.24 is: 1,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.02 : 3,014.62 = 1,439.24 : x
  2. Step 2: Convert to fraction form
    2,186.02/3,014.62 = 1,439.24/x
  3. Step 3: Cross multiply
    2,186.02x = 3,014.62 × 1,439.24
  4. Step 4: Simplify right side
    2,186.02x = 4,338,743.02
  5. Step 5: Solve for x
    x = 4,338,743.02/2,186.02
  6. Step 6: Final answer
    x = 1,984.77

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Half scale
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Double 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.