Home / 2,929.90-4,043.36-1,670.94

Finding the Fourth Proportional to 2,929.90, 4,043.36 and 1,670.94

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Solution

The fourth proportional to 2,929.90, 4,043.36 and 1,670.94 is: 2,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.90 : 4,043.36 = 1,670.94 : x
  2. Step 2: Convert to fraction form
    2,929.90/4,043.36 = 1,670.94/x
  3. Step 3: Cross multiply
    2,929.90x = 4,043.36 × 1,670.94
  4. Step 4: Simplify right side
    2,929.90x = 6,756,191.74
  5. Step 5: Solve for x
    x = 6,756,191.74/2,929.90
  6. Step 6: Final answer
    x = 2,305.95

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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.