Home / 4,090.50-5,645.07-2,411.98

Finding the Fourth Proportional to 4,090.50, 5,645.07 and 2,411.98

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Solution

The fourth proportional to 4,090.50, 5,645.07 and 2,411.98 is: 3,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.50 : 5,645.07 = 2,411.98 : x
  2. Step 2: Convert to fraction form
    4,090.50/5,645.07 = 2,411.98/x
  3. Step 3: Cross multiply
    4,090.50x = 5,645.07 × 2,411.98
  4. Step 4: Simplify right side
    4,090.50x = 13,615,781.83
  5. Step 5: Solve for x
    x = 13,615,781.83/4,090.50
  6. Step 6: Final answer
    x = 3,328.64

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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.