Home / 2,471.38-3,407.90-1,763.32

Finding the Fourth Proportional to 2,471.38, 3,407.90 and 1,763.32

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Solution

The fourth proportional to 2,471.38, 3,407.90 and 1,763.32 is: 2,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.38 : 3,407.90 = 1,763.32 : x
  2. Step 2: Convert to fraction form
    2,471.38/3,407.90 = 1,763.32/x
  3. Step 3: Cross multiply
    2,471.38x = 3,407.90 × 1,763.32
  4. Step 4: Simplify right side
    2,471.38x = 6,009,218.23
  5. Step 5: Solve for x
    x = 6,009,218.23/2,471.38
  6. Step 6: Final answer
    x = 2,431.52

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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.