Home / 7,055.96-9,737.34-3,869.57

Finding the Fourth Proportional to 7,055.96, 9,737.34 and 3,869.57

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Solution

The fourth proportional to 7,055.96, 9,737.34 and 3,869.57 is: 5,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.96 : 9,737.34 = 3,869.57 : x
  2. Step 2: Convert to fraction form
    7,055.96/9,737.34 = 3,869.57/x
  3. Step 3: Cross multiply
    7,055.96x = 9,737.34 × 3,869.57
  4. Step 4: Simplify right side
    7,055.96x = 37,679,270.06
  5. Step 5: Solve for x
    x = 37,679,270.06/7,055.96
  6. Step 6: Final answer
    x = 5,340.07

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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.