Home / 5,818.37-8,725.50-1,868.81

Finding the Fourth Proportional to 5,818.37, 8,725.50 and 1,868.81

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Solution

The fourth proportional to 5,818.37, 8,725.50 and 1,868.81 is: 2,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.37 : 8,725.50 = 1,868.81 : x
  2. Step 2: Convert to fraction form
    5,818.37/8,725.50 = 1,868.81/x
  3. Step 3: Cross multiply
    5,818.37x = 8,725.50 × 1,868.81
  4. Step 4: Simplify right side
    5,818.37x = 16,306,258.03
  5. Step 5: Solve for x
    x = 16,306,258.03/5,818.37
  6. Step 6: Final answer
    x = 2,802.55

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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.