Home / 4,090.32-5,645.37-2,411.62

Finding the Fourth Proportional to 4,090.32, 5,645.37 and 2,411.62

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Solution

The fourth proportional to 4,090.32, 5,645.37 and 2,411.62 is: 3,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.32 : 5,645.37 = 2,411.62 : x
  2. Step 2: Convert to fraction form
    4,090.32/5,645.37 = 2,411.62/x
  3. Step 3: Cross multiply
    4,090.32x = 5,645.37 × 2,411.62
  4. Step 4: Simplify right side
    4,090.32x = 13,614,487.20
  5. Step 5: Solve for x
    x = 13,614,487.20/4,090.32
  6. Step 6: Final answer
    x = 3,328.47

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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.