Home / 4,186.76-5,777.86-2,298.36

Finding the Fourth Proportional to 4,186.76, 5,777.86 and 2,298.36

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Solution

The fourth proportional to 4,186.76, 5,777.86 and 2,298.36 is: 3,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.76 : 5,777.86 = 2,298.36 : x
  2. Step 2: Convert to fraction form
    4,186.76/5,777.86 = 2,298.36/x
  3. Step 3: Cross multiply
    4,186.76x = 5,777.86 × 2,298.36
  4. Step 4: Simplify right side
    4,186.76x = 13,279,602.31
  5. Step 5: Solve for x
    x = 13,279,602.31/4,186.76
  6. Step 6: Final answer
    x = 3,171.81

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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.