Home / 3,045.02-4,202.50-1,786.55

Finding the Fourth Proportional to 3,045.02, 4,202.50 and 1,786.55

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Solution

The fourth proportional to 3,045.02, 4,202.50 and 1,786.55 is: 2,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.02 : 4,202.50 = 1,786.55 : x
  2. Step 2: Convert to fraction form
    3,045.02/4,202.50 = 1,786.55/x
  3. Step 3: Cross multiply
    3,045.02x = 4,202.50 × 1,786.55
  4. Step 4: Simplify right side
    3,045.02x = 7,507,982.41
  5. Step 5: Solve for x
    x = 7,507,982.41/3,045.02
  6. Step 6: Final answer
    x = 2,465.66

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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.