Home / 2,176.02-3,002.19-1,336.32

Finding the Fourth Proportional to 2,176.02, 3,002.19 and 1,336.32

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Solution

The fourth proportional to 2,176.02, 3,002.19 and 1,336.32 is: 1,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.02 : 3,002.19 = 1,336.32 : x
  2. Step 2: Convert to fraction form
    2,176.02/3,002.19 = 1,336.32/x
  3. Step 3: Cross multiply
    2,176.02x = 3,002.19 × 1,336.32
  4. Step 4: Simplify right side
    2,176.02x = 4,011,886.54
  5. Step 5: Solve for x
    x = 4,011,886.54/2,176.02
  6. Step 6: Final answer
    x = 1,843.68

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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.