Home / 2,159.04-3,238.36-926.22

Finding the Fourth Proportional to 2,159.04, 3,238.36 and 926.22

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Solution

The fourth proportional to 2,159.04, 3,238.36 and 926.22 is: 1,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.04 : 3,238.36 = 926.22 : x
  2. Step 2: Convert to fraction form
    2,159.04/3,238.36 = 926.22/x
  3. Step 3: Cross multiply
    2,159.04x = 3,238.36 × 926.22
  4. Step 4: Simplify right side
    2,159.04x = 2,999,433.80
  5. Step 5: Solve for x
    x = 2,999,433.80/2,159.04
  6. Step 6: Final answer
    x = 1,389.24

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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.