Home / 4,228.75-5,835.63-2,340.34

Finding the Fourth Proportional to 4,228.75, 5,835.63 and 2,340.34

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Solution

The fourth proportional to 4,228.75, 5,835.63 and 2,340.34 is: 3,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.75 : 5,835.63 = 2,340.34 : x
  2. Step 2: Convert to fraction form
    4,228.75/5,835.63 = 2,340.34/x
  3. Step 3: Cross multiply
    4,228.75x = 5,835.63 × 2,340.34
  4. Step 4: Simplify right side
    4,228.75x = 13,657,352.50
  5. Step 5: Solve for x
    x = 13,657,352.50/4,228.75
  6. Step 6: Final answer
    x = 3,229.64

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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.