Home / 3,162.76-4,364.74-1,765.50

Finding the Fourth Proportional to 3,162.76, 4,364.74 and 1,765.50

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Solution

The fourth proportional to 3,162.76, 4,364.74 and 1,765.50 is: 2,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.76 : 4,364.74 = 1,765.50 : x
  2. Step 2: Convert to fraction form
    3,162.76/4,364.74 = 1,765.50/x
  3. Step 3: Cross multiply
    3,162.76x = 4,364.74 × 1,765.50
  4. Step 4: Simplify right side
    3,162.76x = 7,705,948.47
  5. Step 5: Solve for x
    x = 7,705,948.47/3,162.76
  6. Step 6: Final answer
    x = 2,436.46

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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.