Home / 1,474.65-2,200.05-1,405.08

Finding the Fourth Proportional to 1,474.65, 2,200.05 and 1,405.08

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Solution

The fourth proportional to 1,474.65, 2,200.05 and 1,405.08 is: 2,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.65 : 2,200.05 = 1,405.08 : x
  2. Step 2: Convert to fraction form
    1,474.65/2,200.05 = 1,405.08/x
  3. Step 3: Cross multiply
    1,474.65x = 2,200.05 × 1,405.08
  4. Step 4: Simplify right side
    1,474.65x = 3,091,246.25
  5. Step 5: Solve for x
    x = 3,091,246.25/1,474.65
  6. Step 6: Final answer
    x = 2,096.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.