Home / 1,474.49-2,210.36-743.22

Finding the Fourth Proportional to 1,474.49, 2,210.36 and 743.22

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Solution

The fourth proportional to 1,474.49, 2,210.36 and 743.22 is: 1,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.49 : 2,210.36 = 743.22 : x
  2. Step 2: Convert to fraction form
    1,474.49/2,210.36 = 743.22/x
  3. Step 3: Cross multiply
    1,474.49x = 2,210.36 × 743.22
  4. Step 4: Simplify right side
    1,474.49x = 1,642,783.76
  5. Step 5: Solve for x
    x = 1,642,783.76/1,474.49
  6. Step 6: Final answer
    x = 1,114.14

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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.