Home / 2,938.22-4,401.46-1,767.58

Finding the Fourth Proportional to 2,938.22, 4,401.46 and 1,767.58

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Solution

The fourth proportional to 2,938.22, 4,401.46 and 1,767.58 is: 2,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.22 : 4,401.46 = 1,767.58 : x
  2. Step 2: Convert to fraction form
    2,938.22/4,401.46 = 1,767.58/x
  3. Step 3: Cross multiply
    2,938.22x = 4,401.46 × 1,767.58
  4. Step 4: Simplify right side
    2,938.22x = 7,779,936.25
  5. Step 5: Solve for x
    x = 7,779,936.25/2,938.22
  6. Step 6: Final answer
    x = 2,647.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.