Home / 2,921.54-4,031.73-1,595.23

Finding the Fourth Proportional to 2,921.54, 4,031.73 and 1,595.23

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Solution

The fourth proportional to 2,921.54, 4,031.73 and 1,595.23 is: 2,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.54 : 4,031.73 = 1,595.23 : x
  2. Step 2: Convert to fraction form
    2,921.54/4,031.73 = 1,595.23/x
  3. Step 3: Cross multiply
    2,921.54x = 4,031.73 × 1,595.23
  4. Step 4: Simplify right side
    2,921.54x = 6,431,526.57
  5. Step 5: Solve for x
    x = 6,431,526.57/2,921.54
  6. Step 6: Final answer
    x = 2,201.42

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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.