Home / 2,581.40-3,562.16-1,533.26

Finding the Fourth Proportional to 2,581.40, 3,562.16 and 1,533.26

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Solution

The fourth proportional to 2,581.40, 3,562.16 and 1,533.26 is: 2,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.40 : 3,562.16 = 1,533.26 : x
  2. Step 2: Convert to fraction form
    2,581.40/3,562.16 = 1,533.26/x
  3. Step 3: Cross multiply
    2,581.40x = 3,562.16 × 1,533.26
  4. Step 4: Simplify right side
    2,581.40x = 5,461,717.44
  5. Step 5: Solve for x
    x = 5,461,717.44/2,581.40
  6. Step 6: Final answer
    x = 2,115.80

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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.