Home / 4,929.23-6,800.59-2,912.21

Finding the Fourth Proportional to 4,929.23, 6,800.59 and 2,912.21

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Solution

The fourth proportional to 4,929.23, 6,800.59 and 2,912.21 is: 4,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.23 : 6,800.59 = 2,912.21 : x
  2. Step 2: Convert to fraction form
    4,929.23/6,800.59 = 2,912.21/x
  3. Step 3: Cross multiply
    4,929.23x = 6,800.59 × 2,912.21
  4. Step 4: Simplify right side
    4,929.23x = 19,804,748.64
  5. Step 5: Solve for x
    x = 19,804,748.64/4,929.23
  6. Step 6: Final answer
    x = 4,017.82

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1.5x scale

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.