Home / 1,586.92-2,190.09-1,114.32

Finding the Fourth Proportional to 1,586.92, 2,190.09 and 1,114.32

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Solution

The fourth proportional to 1,586.92, 2,190.09 and 1,114.32 is: 1,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.92 : 2,190.09 = 1,114.32 : x
  2. Step 2: Convert to fraction form
    1,586.92/2,190.09 = 1,114.32/x
  3. Step 3: Cross multiply
    1,586.92x = 2,190.09 × 1,114.32
  4. Step 4: Simplify right side
    1,586.92x = 2,440,461.09
  5. Step 5: Solve for x
    x = 2,440,461.09/1,586.92
  6. Step 6: Final answer
    x = 1,537.86

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Double scale
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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.