Home / 1,586.16-2,183.92-1,440.36

Finding the Fourth Proportional to 1,586.16, 2,183.92 and 1,440.36

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Solution

The fourth proportional to 1,586.16, 2,183.92 and 1,440.36 is: 1,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.16 : 2,183.92 = 1,440.36 : x
  2. Step 2: Convert to fraction form
    1,586.16/2,183.92 = 1,440.36/x
  3. Step 3: Cross multiply
    1,586.16x = 2,183.92 × 1,440.36
  4. Step 4: Simplify right side
    1,586.16x = 3,145,631.01
  5. Step 5: Solve for x
    x = 3,145,631.01/1,586.16
  6. Step 6: Final answer
    x = 1,983.17

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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.