Home / 1,172.27-1,615.44-1,059.01

Finding the Fourth Proportional to 1,172.27, 1,615.44 and 1,059.01

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Solution

The fourth proportional to 1,172.27, 1,615.44 and 1,059.01 is: 1,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.27 : 1,615.44 = 1,059.01 : x
  2. Step 2: Convert to fraction form
    1,172.27/1,615.44 = 1,059.01/x
  3. Step 3: Cross multiply
    1,172.27x = 1,615.44 × 1,059.01
  4. Step 4: Simplify right side
    1,172.27x = 1,710,767.05
  5. Step 5: Solve for x
    x = 1,710,767.05/1,172.27
  6. Step 6: Final answer
    x = 1,459.36

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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.