Home / 2,984.06-4,116.08-1,921.46

Finding the Fourth Proportional to 2,984.06, 4,116.08 and 1,921.46

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Solution

The fourth proportional to 2,984.06, 4,116.08 and 1,921.46 is: 2,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.06 : 4,116.08 = 1,921.46 : x
  2. Step 2: Convert to fraction form
    2,984.06/4,116.08 = 1,921.46/x
  3. Step 3: Cross multiply
    2,984.06x = 4,116.08 × 1,921.46
  4. Step 4: Simplify right side
    2,984.06x = 7,908,883.08
  5. Step 5: Solve for x
    x = 7,908,883.08/2,984.06
  6. Step 6: Final answer
    x = 2,650.38

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Double scale
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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.