Home / 2,401.68-3,317.48-1,937.68

Finding the Fourth Proportional to 2,401.68, 3,317.48 and 1,937.68

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Solution

The fourth proportional to 2,401.68, 3,317.48 and 1,937.68 is: 2,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.68 : 3,317.48 = 1,937.68 : x
  2. Step 2: Convert to fraction form
    2,401.68/3,317.48 = 1,937.68/x
  3. Step 3: Cross multiply
    2,401.68x = 3,317.48 × 1,937.68
  4. Step 4: Simplify right side
    2,401.68x = 6,428,214.65
  5. Step 5: Solve for x
    x = 6,428,214.65/2,401.68
  6. Step 6: Final answer
    x = 2,676.55

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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.