Home / 4,109.76-5,671.44-2,246.76

Finding the Fourth Proportional to 4,109.76, 5,671.44 and 2,246.76

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Solution

The fourth proportional to 4,109.76, 5,671.44 and 2,246.76 is: 3,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.76 : 5,671.44 = 2,246.76 : x
  2. Step 2: Convert to fraction form
    4,109.76/5,671.44 = 2,246.76/x
  3. Step 3: Cross multiply
    4,109.76x = 5,671.44 × 2,246.76
  4. Step 4: Simplify right side
    4,109.76x = 12,742,364.53
  5. Step 5: Solve for x
    x = 12,742,364.53/4,109.76
  6. Step 6: Final answer
    x = 3,100.51

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Half scale
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Double scale
Find fourth proportional to 4,110.76, 5,672.82 and 2,247.76
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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.