Home / 3,366.99-4,648.67-2,172.51

Finding the Fourth Proportional to 3,366.99, 4,648.67 and 2,172.51

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Solution

The fourth proportional to 3,366.99, 4,648.67 and 2,172.51 is: 2,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.99 : 4,648.67 = 2,172.51 : x
  2. Step 2: Convert to fraction form
    3,366.99/4,648.67 = 2,172.51/x
  3. Step 3: Cross multiply
    3,366.99x = 4,648.67 × 2,172.51
  4. Step 4: Simplify right side
    3,366.99x = 10,099,271.20
  5. Step 5: Solve for x
    x = 10,099,271.20/3,366.99
  6. Step 6: Final answer
    x = 2,999.50

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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.