Home / 5,548.15-7,656.21-3,030.25

Finding the Fourth Proportional to 5,548.15, 7,656.21 and 3,030.25

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Solution

The fourth proportional to 5,548.15, 7,656.21 and 3,030.25 is: 4,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.15 : 7,656.21 = 3,030.25 : x
  2. Step 2: Convert to fraction form
    5,548.15/7,656.21 = 3,030.25/x
  3. Step 3: Cross multiply
    5,548.15x = 7,656.21 × 3,030.25
  4. Step 4: Simplify right side
    5,548.15x = 23,200,210.54
  5. Step 5: Solve for x
    x = 23,200,210.54/5,548.15
  6. Step 6: Final answer
    x = 4,181.62

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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.