Home / 3,886.06-5,823.60-1,806.70

Finding the Fourth Proportional to 3,886.06, 5,823.60 and 1,806.70

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Solution

The fourth proportional to 3,886.06, 5,823.60 and 1,806.70 is: 2,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.06 : 5,823.60 = 1,806.70 : x
  2. Step 2: Convert to fraction form
    3,886.06/5,823.60 = 1,806.70/x
  3. Step 3: Cross multiply
    3,886.06x = 5,823.60 × 1,806.70
  4. Step 4: Simplify right side
    3,886.06x = 10,521,498.12
  5. Step 5: Solve for x
    x = 10,521,498.12/3,886.06
  6. Step 6: Final answer
    x = 2,707.50

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1.5x scale

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.