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Finding the Fourth Proportional to 3,907.04, 5,860.96 and 1,717.20

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Solution

The fourth proportional to 3,907.04, 5,860.96 and 1,717.20 is: 2,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.04 : 5,860.96 = 1,717.20 : x
  2. Step 2: Convert to fraction form
    3,907.04/5,860.96 = 1,717.20/x
  3. Step 3: Cross multiply
    3,907.04x = 5,860.96 × 1,717.20
  4. Step 4: Simplify right side
    3,907.04x = 10,064,436.22
  5. Step 5: Solve for x
    x = 10,064,436.22/3,907.04
  6. Step 6: Final answer
    x = 2,575.98

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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.