Home / 1,572.53-2,357.36-1,015.73

Finding the Fourth Proportional to 1,572.53, 2,357.36 and 1,015.73

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Solution

The fourth proportional to 1,572.53, 2,357.36 and 1,015.73 is: 1,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.53 : 2,357.36 = 1,015.73 : x
  2. Step 2: Convert to fraction form
    1,572.53/2,357.36 = 1,015.73/x
  3. Step 3: Cross multiply
    1,572.53x = 2,357.36 × 1,015.73
  4. Step 4: Simplify right side
    1,572.53x = 2,394,424.41
  5. Step 5: Solve for x
    x = 2,394,424.41/1,572.53
  6. Step 6: Final answer
    x = 1,522.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.