Home / 3,307.74-4,565.04-1,981.77

Finding the Fourth Proportional to 3,307.74, 4,565.04 and 1,981.77

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Solution

The fourth proportional to 3,307.74, 4,565.04 and 1,981.77 is: 2,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.74 : 4,565.04 = 1,981.77 : x
  2. Step 2: Convert to fraction form
    3,307.74/4,565.04 = 1,981.77/x
  3. Step 3: Cross multiply
    3,307.74x = 4,565.04 × 1,981.77
  4. Step 4: Simplify right side
    3,307.74x = 9,046,859.32
  5. Step 5: Solve for x
    x = 9,046,859.32/3,307.74
  6. Step 6: Final answer
    x = 2,735.06

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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.