Home / 2,958.90-4,083.03-1,699.55

Finding the Fourth Proportional to 2,958.90, 4,083.03 and 1,699.55

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Solution

The fourth proportional to 2,958.90, 4,083.03 and 1,699.55 is: 2,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.90 : 4,083.03 = 1,699.55 : x
  2. Step 2: Convert to fraction form
    2,958.90/4,083.03 = 1,699.55/x
  3. Step 3: Cross multiply
    2,958.90x = 4,083.03 × 1,699.55
  4. Step 4: Simplify right side
    2,958.90x = 6,939,293.22
  5. Step 5: Solve for x
    x = 6,939,293.22/2,958.90
  6. Step 6: Final answer
    x = 2,345.23

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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.