Home / 5,686.02-7,846.65-3,168.09

Finding the Fourth Proportional to 5,686.02, 7,846.65 and 3,168.09

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Solution

The fourth proportional to 5,686.02, 7,846.65 and 3,168.09 is: 4,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.02 : 7,846.65 = 3,168.09 : x
  2. Step 2: Convert to fraction form
    5,686.02/7,846.65 = 3,168.09/x
  3. Step 3: Cross multiply
    5,686.02x = 7,846.65 × 3,168.09
  4. Step 4: Simplify right side
    5,686.02x = 24,858,893.40
  5. Step 5: Solve for x
    x = 24,858,893.40/5,686.02
  6. Step 6: Final answer
    x = 4,371.93

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1.5x scale

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.