Home / 3,013.16-4,158.24-1,686.82

Finding the Fourth Proportional to 3,013.16, 4,158.24 and 1,686.82

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Solution

The fourth proportional to 3,013.16, 4,158.24 and 1,686.82 is: 2,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.16 : 4,158.24 = 1,686.82 : x
  2. Step 2: Convert to fraction form
    3,013.16/4,158.24 = 1,686.82/x
  3. Step 3: Cross multiply
    3,013.16x = 4,158.24 × 1,686.82
  4. Step 4: Simplify right side
    3,013.16x = 7,014,202.40
  5. Step 5: Solve for x
    x = 7,014,202.40/3,013.16
  6. Step 6: Final answer
    x = 2,327.86

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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.