Home / 3,841.04-5,300.20-2,162.32

Finding the Fourth Proportional to 3,841.04, 5,300.20 and 2,162.32

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Solution

The fourth proportional to 3,841.04, 5,300.20 and 2,162.32 is: 2,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.04 : 5,300.20 = 2,162.32 : x
  2. Step 2: Convert to fraction form
    3,841.04/5,300.20 = 2,162.32/x
  3. Step 3: Cross multiply
    3,841.04x = 5,300.20 × 2,162.32
  4. Step 4: Simplify right side
    3,841.04x = 11,460,728.46
  5. Step 5: Solve for x
    x = 11,460,728.46/3,841.04
  6. Step 6: Final answer
    x = 2,983.76

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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.