Home / 2,927.69-4,038.36-1,792.84

Finding the Fourth Proportional to 2,927.69, 4,038.36 and 1,792.84

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Solution

The fourth proportional to 2,927.69, 4,038.36 and 1,792.84 is: 2,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.69 : 4,038.36 = 1,792.84 : x
  2. Step 2: Convert to fraction form
    2,927.69/4,038.36 = 1,792.84/x
  3. Step 3: Cross multiply
    2,927.69x = 4,038.36 × 1,792.84
  4. Step 4: Simplify right side
    2,927.69x = 7,240,113.15
  5. Step 5: Solve for x
    x = 7,240,113.15/2,927.69
  6. Step 6: Final answer
    x = 2,472.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.