Home / 4,114.81-5,678.39-2,226.35

Finding the Fourth Proportional to 4,114.81, 5,678.39 and 2,226.35

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Solution

The fourth proportional to 4,114.81, 5,678.39 and 2,226.35 is: 3,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.81 : 5,678.39 = 2,226.35 : x
  2. Step 2: Convert to fraction form
    4,114.81/5,678.39 = 2,226.35/x
  3. Step 3: Cross multiply
    4,114.81x = 5,678.39 × 2,226.35
  4. Step 4: Simplify right side
    4,114.81x = 12,642,055.18
  5. Step 5: Solve for x
    x = 12,642,055.18/4,114.81
  6. Step 6: Final answer
    x = 3,072.33

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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.