Home / 2,921.46-4,031.59-1,595.16

Finding the Fourth Proportional to 2,921.46, 4,031.59 and 1,595.16

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Solution

The fourth proportional to 2,921.46, 4,031.59 and 1,595.16 is: 2,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.46 : 4,031.59 = 1,595.16 : x
  2. Step 2: Convert to fraction form
    2,921.46/4,031.59 = 1,595.16/x
  3. Step 3: Cross multiply
    2,921.46x = 4,031.59 × 1,595.16
  4. Step 4: Simplify right side
    2,921.46x = 6,431,031.10
  5. Step 5: Solve for x
    x = 6,431,031.10/2,921.46
  6. Step 6: Final answer
    x = 2,201.31

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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.