Home / 3,510.12-4,844.30-1,938.23

Finding the Fourth Proportional to 3,510.12, 4,844.30 and 1,938.23

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Solution

The fourth proportional to 3,510.12, 4,844.30 and 1,938.23 is: 2,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.12 : 4,844.30 = 1,938.23 : x
  2. Step 2: Convert to fraction form
    3,510.12/4,844.30 = 1,938.23/x
  3. Step 3: Cross multiply
    3,510.12x = 4,844.30 × 1,938.23
  4. Step 4: Simplify right side
    3,510.12x = 9,389,333.68
  5. Step 5: Solve for x
    x = 9,389,333.68/3,510.12
  6. Step 6: Final answer
    x = 2,674.93

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Double scale
Find fourth proportional to 3,511.12, 4,845.68 and 1,939.23
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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.