Home / 3,125.16-4,686.62-933.48

Finding the Fourth Proportional to 3,125.16, 4,686.62 and 933.48

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Solution

The fourth proportional to 3,125.16, 4,686.62 and 933.48 is: 1,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.16 : 4,686.62 = 933.48 : x
  2. Step 2: Convert to fraction form
    3,125.16/4,686.62 = 933.48/x
  3. Step 3: Cross multiply
    3,125.16x = 4,686.62 × 933.48
  4. Step 4: Simplify right side
    3,125.16x = 4,374,866.04
  5. Step 5: Solve for x
    x = 4,374,866.04/3,125.16
  6. Step 6: Final answer
    x = 1,399.89

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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.