Home / 4,182.51-5,771.90-2,390.22

Finding the Fourth Proportional to 4,182.51, 5,771.90 and 2,390.22

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Solution

The fourth proportional to 4,182.51, 5,771.90 and 2,390.22 is: 3,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.51 : 5,771.90 = 2,390.22 : x
  2. Step 2: Convert to fraction form
    4,182.51/5,771.90 = 2,390.22/x
  3. Step 3: Cross multiply
    4,182.51x = 5,771.90 × 2,390.22
  4. Step 4: Simplify right side
    4,182.51x = 13,796,110.82
  5. Step 5: Solve for x
    x = 13,796,110.82/4,182.51
  6. Step 6: Final answer
    x = 3,298.52

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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.