Home / 3,047.48-4,205.81-1,852.19

Finding the Fourth Proportional to 3,047.48, 4,205.81 and 1,852.19

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Solution

The fourth proportional to 3,047.48, 4,205.81 and 1,852.19 is: 2,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.48 : 4,205.81 = 1,852.19 : x
  2. Step 2: Convert to fraction form
    3,047.48/4,205.81 = 1,852.19/x
  3. Step 3: Cross multiply
    3,047.48x = 4,205.81 × 1,852.19
  4. Step 4: Simplify right side
    3,047.48x = 7,789,959.22
  5. Step 5: Solve for x
    x = 7,789,959.22/3,047.48
  6. Step 6: Final answer
    x = 2,556.20

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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.