Home / 3,693.80-5,529.90-2,462.60

Finding the Fourth Proportional to 3,693.80, 5,529.90 and 2,462.60

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Solution

The fourth proportional to 3,693.80, 5,529.90 and 2,462.60 is: 3,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.80 : 5,529.90 = 2,462.60 : x
  2. Step 2: Convert to fraction form
    3,693.80/5,529.90 = 2,462.60/x
  3. Step 3: Cross multiply
    3,693.80x = 5,529.90 × 2,462.60
  4. Step 4: Simplify right side
    3,693.80x = 13,617,931.74
  5. Step 5: Solve for x
    x = 13,617,931.74/3,693.80
  6. Step 6: Final answer
    x = 3,686.70

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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.