Home / 4,090.93-5,645.23-2,298.69

Finding the Fourth Proportional to 4,090.93, 5,645.23 and 2,298.69

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Solution

The fourth proportional to 4,090.93, 5,645.23 and 2,298.69 is: 3,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.93 : 5,645.23 = 2,298.69 : x
  2. Step 2: Convert to fraction form
    4,090.93/5,645.23 = 2,298.69/x
  3. Step 3: Cross multiply
    4,090.93x = 5,645.23 × 2,298.69
  4. Step 4: Simplify right side
    4,090.93x = 12,976,628.00
  5. Step 5: Solve for x
    x = 12,976,628.00/4,090.93
  6. Step 6: Final answer
    x = 3,172.05

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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.