Home / 3,655.78-5,485.08-1,466.04

Finding the Fourth Proportional to 3,655.78, 5,485.08 and 1,466.04

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Solution

The fourth proportional to 3,655.78, 5,485.08 and 1,466.04 is: 2,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.78 : 5,485.08 = 1,466.04 : x
  2. Step 2: Convert to fraction form
    3,655.78/5,485.08 = 1,466.04/x
  3. Step 3: Cross multiply
    3,655.78x = 5,485.08 × 1,466.04
  4. Step 4: Simplify right side
    3,655.78x = 8,041,346.68
  5. Step 5: Solve for x
    x = 8,041,346.68/3,655.78
  6. Step 6: Final answer
    x = 2,199.63

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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.