Home / 2,371.58-3,274.40-1,534.31

Finding the Fourth Proportional to 2,371.58, 3,274.40 and 1,534.31

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Solution

The fourth proportional to 2,371.58, 3,274.40 and 1,534.31 is: 2,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.58 : 3,274.40 = 1,534.31 : x
  2. Step 2: Convert to fraction form
    2,371.58/3,274.40 = 1,534.31/x
  3. Step 3: Cross multiply
    2,371.58x = 3,274.40 × 1,534.31
  4. Step 4: Simplify right side
    2,371.58x = 5,023,944.66
  5. Step 5: Solve for x
    x = 5,023,944.66/2,371.58
  6. Step 6: Final answer
    x = 2,118.40

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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.