Home / 1,763.76-2,433.93-1,055.55

Finding the Fourth Proportional to 1,763.76, 2,433.93 and 1,055.55

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Solution

The fourth proportional to 1,763.76, 2,433.93 and 1,055.55 is: 1,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.76 : 2,433.93 = 1,055.55 : x
  2. Step 2: Convert to fraction form
    1,763.76/2,433.93 = 1,055.55/x
  3. Step 3: Cross multiply
    1,763.76x = 2,433.93 × 1,055.55
  4. Step 4: Simplify right side
    1,763.76x = 2,569,134.81
  5. Step 5: Solve for x
    x = 2,569,134.81/1,763.76
  6. Step 6: Final answer
    x = 1,456.62

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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.