Home / 2,583.09-3,888.80-1,766.55

Finding the Fourth Proportional to 2,583.09, 3,888.80 and 1,766.55

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Solution

The fourth proportional to 2,583.09, 3,888.80 and 1,766.55 is: 2,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583.09 : 3,888.80 = 1,766.55 : x
  2. Step 2: Convert to fraction form
    2,583.09/3,888.80 = 1,766.55/x
  3. Step 3: Cross multiply
    2,583.09x = 3,888.80 × 1,766.55
  4. Step 4: Simplify right side
    2,583.09x = 6,869,750.81
  5. Step 5: Solve for x
    x = 6,869,750.81/2,583.09
  6. Step 6: Final answer
    x = 2,659.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.