Home / 1,868.15-2,802.67-1,046.99

Finding the Fourth Proportional to 1,868.15, 2,802.67 and 1,046.99

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Solution

The fourth proportional to 1,868.15, 2,802.67 and 1,046.99 is: 1,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.15 : 2,802.67 = 1,046.99 : x
  2. Step 2: Convert to fraction form
    1,868.15/2,802.67 = 1,046.99/x
  3. Step 3: Cross multiply
    1,868.15x = 2,802.67 × 1,046.99
  4. Step 4: Simplify right side
    1,868.15x = 2,934,371.85
  5. Step 5: Solve for x
    x = 2,934,371.85/1,868.15
  6. Step 6: Final answer
    x = 1,570.73

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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.