Home / 7,044.60-9,721.84-3,901.08

Finding the Fourth Proportional to 7,044.60, 9,721.84 and 3,901.08

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Solution

The fourth proportional to 7,044.60, 9,721.84 and 3,901.08 is: 5,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.60 : 9,721.84 = 3,901.08 : x
  2. Step 2: Convert to fraction form
    7,044.60/9,721.84 = 3,901.08/x
  3. Step 3: Cross multiply
    7,044.60x = 9,721.84 × 3,901.08
  4. Step 4: Simplify right side
    7,044.60x = 37,925,675.59
  5. Step 5: Solve for x
    x = 37,925,675.59/7,044.60
  6. Step 6: Final answer
    x = 5,383.65

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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.