Home / 7,055.97-9,737.35-3,869.56

Finding the Fourth Proportional to 7,055.97, 9,737.35 and 3,869.56

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Solution

The fourth proportional to 7,055.97, 9,737.35 and 3,869.56 is: 5,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.97 : 9,737.35 = 3,869.56 : x
  2. Step 2: Convert to fraction form
    7,055.97/9,737.35 = 3,869.56/x
  3. Step 3: Cross multiply
    7,055.97x = 9,737.35 × 3,869.56
  4. Step 4: Simplify right side
    7,055.97x = 37,679,260.07
  5. Step 5: Solve for x
    x = 37,679,260.07/7,055.97
  6. Step 6: Final answer
    x = 5,340.05

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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.