Home / 2,182.53-3,011.81-1,298.73

Finding the Fourth Proportional to 2,182.53, 3,011.81 and 1,298.73

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Solution

The fourth proportional to 2,182.53, 3,011.81 and 1,298.73 is: 1,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.53 : 3,011.81 = 1,298.73 : x
  2. Step 2: Convert to fraction form
    2,182.53/3,011.81 = 1,298.73/x
  3. Step 3: Cross multiply
    2,182.53x = 3,011.81 × 1,298.73
  4. Step 4: Simplify right side
    2,182.53x = 3,911,521.51
  5. Step 5: Solve for x
    x = 3,911,521.51/2,182.53
  6. Step 6: Final answer
    x = 1,792.20

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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.