Home / 3,061.92-4,225.36-1,664.67

Finding the Fourth Proportional to 3,061.92, 4,225.36 and 1,664.67

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Solution

The fourth proportional to 3,061.92, 4,225.36 and 1,664.67 is: 2,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.92 : 4,225.36 = 1,664.67 : x
  2. Step 2: Convert to fraction form
    3,061.92/4,225.36 = 1,664.67/x
  3. Step 3: Cross multiply
    3,061.92x = 4,225.36 × 1,664.67
  4. Step 4: Simplify right side
    3,061.92x = 7,033,830.03
  5. Step 5: Solve for x
    x = 7,033,830.03/3,061.92
  6. Step 6: Final answer
    x = 2,297.20

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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.