Home / 2,362.32-3,260.76-1,431.60

Finding the Fourth Proportional to 2,362.32, 3,260.76 and 1,431.60

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Solution

The fourth proportional to 2,362.32, 3,260.76 and 1,431.60 is: 1,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.32 : 3,260.76 = 1,431.60 : x
  2. Step 2: Convert to fraction form
    2,362.32/3,260.76 = 1,431.60/x
  3. Step 3: Cross multiply
    2,362.32x = 3,260.76 × 1,431.60
  4. Step 4: Simplify right side
    2,362.32x = 4,668,104.02
  5. Step 5: Solve for x
    x = 4,668,104.02/2,362.32
  6. Step 6: Final answer
    x = 1,976.07

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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.