Home / 4,090.77-5,645.16-2,298.11

Finding the Fourth Proportional to 4,090.77, 5,645.16 and 2,298.11

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Solution

The fourth proportional to 4,090.77, 5,645.16 and 2,298.11 is: 3,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.77 : 5,645.16 = 2,298.11 : x
  2. Step 2: Convert to fraction form
    4,090.77/5,645.16 = 2,298.11/x
  3. Step 3: Cross multiply
    4,090.77x = 5,645.16 × 2,298.11
  4. Step 4: Simplify right side
    4,090.77x = 12,973,170.42
  5. Step 5: Solve for x
    x = 12,973,170.42/4,090.77
  6. Step 6: Final answer
    x = 3,171.33

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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.