Home / 2,921.81-4,032.12-1,595.52

Finding the Fourth Proportional to 2,921.81, 4,032.12 and 1,595.52

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Solution

The fourth proportional to 2,921.81, 4,032.12 and 1,595.52 is: 2,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.81 : 4,032.12 = 1,595.52 : x
  2. Step 2: Convert to fraction form
    2,921.81/4,032.12 = 1,595.52/x
  3. Step 3: Cross multiply
    2,921.81x = 4,032.12 × 1,595.52
  4. Step 4: Simplify right side
    2,921.81x = 6,433,328.10
  5. Step 5: Solve for x
    x = 6,433,328.10/2,921.81
  6. Step 6: Final answer
    x = 2,201.83

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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.