Home / 5,043.30-6,959.59-2,805.09

Finding the Fourth Proportional to 5,043.30, 6,959.59 and 2,805.09

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Solution

The fourth proportional to 5,043.30, 6,959.59 and 2,805.09 is: 3,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.30 : 6,959.59 = 2,805.09 : x
  2. Step 2: Convert to fraction form
    5,043.30/6,959.59 = 2,805.09/x
  3. Step 3: Cross multiply
    5,043.30x = 6,959.59 × 2,805.09
  4. Step 4: Simplify right side
    5,043.30x = 19,522,276.31
  5. Step 5: Solve for x
    x = 19,522,276.31/5,043.30
  6. Step 6: Final answer
    x = 3,870.93

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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.