Home / 1,122.93-1,674.50-1,045.04

Finding the Fourth Proportional to 1,122.93, 1,674.50 and 1,045.04

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Solution

The fourth proportional to 1,122.93, 1,674.50 and 1,045.04 is: 1,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.93 : 1,674.50 = 1,045.04 : x
  2. Step 2: Convert to fraction form
    1,122.93/1,674.50 = 1,045.04/x
  3. Step 3: Cross multiply
    1,122.93x = 1,674.50 × 1,045.04
  4. Step 4: Simplify right side
    1,122.93x = 1,749,905.88
  5. Step 5: Solve for x
    x = 1,749,905.88/1,122.93
  6. Step 6: Final answer
    x = 1,558.34

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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.