Home / 5,487.09-7,570.45-3,360.41

Finding the Fourth Proportional to 5,487.09, 7,570.45 and 3,360.41

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Solution

The fourth proportional to 5,487.09, 7,570.45 and 3,360.41 is: 4,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.09 : 7,570.45 = 3,360.41 : x
  2. Step 2: Convert to fraction form
    5,487.09/7,570.45 = 3,360.41/x
  3. Step 3: Cross multiply
    5,487.09x = 7,570.45 × 3,360.41
  4. Step 4: Simplify right side
    5,487.09x = 25,439,815.88
  5. Step 5: Solve for x
    x = 25,439,815.88/5,487.09
  6. Step 6: Final answer
    x = 4,636.30

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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.