Home / 1,156.36-1,596.32-758.60

Finding the Fourth Proportional to 1,156.36, 1,596.32 and 758.60

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Solution

The fourth proportional to 1,156.36, 1,596.32 and 758.60 is: 1,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.36 : 1,596.32 = 758.60 : x
  2. Step 2: Convert to fraction form
    1,156.36/1,596.32 = 758.60/x
  3. Step 3: Cross multiply
    1,156.36x = 1,596.32 × 758.60
  4. Step 4: Simplify right side
    1,156.36x = 1,210,968.35
  5. Step 5: Solve for x
    x = 1,210,968.35/1,156.36
  6. Step 6: Final answer
    x = 1,047.22

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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.