Home / 2,261.95-3,121.52-1,475.54

Finding the Fourth Proportional to 2,261.95, 3,121.52 and 1,475.54

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Solution

The fourth proportional to 2,261.95, 3,121.52 and 1,475.54 is: 2,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.95 : 3,121.52 = 1,475.54 : x
  2. Step 2: Convert to fraction form
    2,261.95/3,121.52 = 1,475.54/x
  3. Step 3: Cross multiply
    2,261.95x = 3,121.52 × 1,475.54
  4. Step 4: Simplify right side
    2,261.95x = 4,605,920.24
  5. Step 5: Solve for x
    x = 4,605,920.24/2,261.95
  6. Step 6: Final answer
    x = 2,036.27

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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.