Home / 3,307.80-4,561.74-2,644.68

Finding the Fourth Proportional to 3,307.80, 4,561.74 and 2,644.68

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Solution

The fourth proportional to 3,307.80, 4,561.74 and 2,644.68 is: 3,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.80 : 4,561.74 = 2,644.68 : x
  2. Step 2: Convert to fraction form
    3,307.80/4,561.74 = 2,644.68/x
  3. Step 3: Cross multiply
    3,307.80x = 4,561.74 × 2,644.68
  4. Step 4: Simplify right side
    3,307.80x = 12,064,342.54
  5. Step 5: Solve for x
    x = 12,064,342.54/3,307.80
  6. Step 6: Final answer
    x = 3,647.24

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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.