Home / 2,931.75-4,044.60-1,923.18

Finding the Fourth Proportional to 2,931.75, 4,044.60 and 1,923.18

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Solution

The fourth proportional to 2,931.75, 4,044.60 and 1,923.18 is: 2,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.75 : 4,044.60 = 1,923.18 : x
  2. Step 2: Convert to fraction form
    2,931.75/4,044.60 = 1,923.18/x
  3. Step 3: Cross multiply
    2,931.75x = 4,044.60 × 1,923.18
  4. Step 4: Simplify right side
    2,931.75x = 7,778,493.83
  5. Step 5: Solve for x
    x = 7,778,493.83/2,931.75
  6. Step 6: Final answer
    x = 2,653.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.