Home / 2,972.44-4,459.67-1,124.08

Finding the Fourth Proportional to 2,972.44, 4,459.67 and 1,124.08

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Solution

The fourth proportional to 2,972.44, 4,459.67 and 1,124.08 is: 1,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.44 : 4,459.67 = 1,124.08 : x
  2. Step 2: Convert to fraction form
    2,972.44/4,459.67 = 1,124.08/x
  3. Step 3: Cross multiply
    2,972.44x = 4,459.67 × 1,124.08
  4. Step 4: Simplify right side
    2,972.44x = 5,013,025.85
  5. Step 5: Solve for x
    x = 5,013,025.85/2,972.44
  6. Step 6: Final answer
    x = 1,686.50

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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.