Home / 2,927.68-4,040.20-1,748.76

Finding the Fourth Proportional to 2,927.68, 4,040.20 and 1,748.76

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Solution

The fourth proportional to 2,927.68, 4,040.20 and 1,748.76 is: 2,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.68 : 4,040.20 = 1,748.76 : x
  2. Step 2: Convert to fraction form
    2,927.68/4,040.20 = 1,748.76/x
  3. Step 3: Cross multiply
    2,927.68x = 4,040.20 × 1,748.76
  4. Step 4: Simplify right side
    2,927.68x = 7,065,340.15
  5. Step 5: Solve for x
    x = 7,065,340.15/2,927.68
  6. Step 6: Final answer
    x = 2,413.29

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1.5x scale

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.