Home / 7,790.13-10,734.93-5,548.05

Finding the Fourth Proportional to 7,790.13, 10,734.93 and 5,548.05

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Solution

The fourth proportional to 7,790.13, 10,734.93 and 5,548.05 is: 7,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.13 : 10,734.93 = 5,548.05 : x
  2. Step 2: Convert to fraction form
    7,790.13/10,734.93 = 5,548.05/x
  3. Step 3: Cross multiply
    7,790.13x = 10,734.93 × 5,548.05
  4. Step 4: Simplify right side
    7,790.13x = 59,557,928.39
  5. Step 5: Solve for x
    x = 59,557,928.39/7,790.13
  6. Step 6: Final answer
    x = 7,645.31

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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.