Home / 4,429.39-6,112.83-2,440.12

Finding the Fourth Proportional to 4,429.39, 6,112.83 and 2,440.12

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Solution

The fourth proportional to 4,429.39, 6,112.83 and 2,440.12 is: 3,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.39 : 6,112.83 = 2,440.12 : x
  2. Step 2: Convert to fraction form
    4,429.39/6,112.83 = 2,440.12/x
  3. Step 3: Cross multiply
    4,429.39x = 6,112.83 × 2,440.12
  4. Step 4: Simplify right side
    4,429.39x = 14,916,038.74
  5. Step 5: Solve for x
    x = 14,916,038.74/4,429.39
  6. Step 6: Final answer
    x = 3,367.52

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Half scale
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Double scale
Find fourth proportional to 4,430.39, 6,114.21 and 2,441.12
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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.