Home / 5,051.67-7,578.33-1,720.22

Finding the Fourth Proportional to 5,051.67, 7,578.33 and 1,720.22

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Solution

The fourth proportional to 5,051.67, 7,578.33 and 1,720.22 is: 2,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.67 : 7,578.33 = 1,720.22 : x
  2. Step 2: Convert to fraction form
    5,051.67/7,578.33 = 1,720.22/x
  3. Step 3: Cross multiply
    5,051.67x = 7,578.33 × 1,720.22
  4. Step 4: Simplify right side
    5,051.67x = 13,036,356.94
  5. Step 5: Solve for x
    x = 13,036,356.94/5,051.67
  6. Step 6: Final answer
    x = 2,580.60

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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.