Home / 1,474.29-2,210.36-1,271.25

Finding the Fourth Proportional to 1,474.29, 2,210.36 and 1,271.25

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Solution

The fourth proportional to 1,474.29, 2,210.36 and 1,271.25 is: 1,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.29 : 2,210.36 = 1,271.25 : x
  2. Step 2: Convert to fraction form
    1,474.29/2,210.36 = 1,271.25/x
  3. Step 3: Cross multiply
    1,474.29x = 2,210.36 × 1,271.25
  4. Step 4: Simplify right side
    1,474.29x = 2,809,913.79
  5. Step 5: Solve for x
    x = 2,809,913.79/1,474.29
  6. Step 6: Final answer
    x = 1,905.94

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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.