Home / 2,298.66-3,172.23-1,303.98

Finding the Fourth Proportional to 2,298.66, 3,172.23 and 1,303.98

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Solution

The fourth proportional to 2,298.66, 3,172.23 and 1,303.98 is: 1,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.66 : 3,172.23 = 1,303.98 : x
  2. Step 2: Convert to fraction form
    2,298.66/3,172.23 = 1,303.98/x
  3. Step 3: Cross multiply
    2,298.66x = 3,172.23 × 1,303.98
  4. Step 4: Simplify right side
    2,298.66x = 4,136,517.96
  5. Step 5: Solve for x
    x = 4,136,517.96/2,298.66
  6. Step 6: Final answer
    x = 1,799.53

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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.