Home / 5,548.16-7,656.48-3,030.30

Finding the Fourth Proportional to 5,548.16, 7,656.48 and 3,030.30

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Solution

The fourth proportional to 5,548.16, 7,656.48 and 3,030.30 is: 4,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.16 : 7,656.48 = 3,030.30 : x
  2. Step 2: Convert to fraction form
    5,548.16/7,656.48 = 3,030.30/x
  3. Step 3: Cross multiply
    5,548.16x = 7,656.48 × 3,030.30
  4. Step 4: Simplify right side
    5,548.16x = 23,201,431.34
  5. Step 5: Solve for x
    x = 23,201,431.34/5,548.16
  6. Step 6: Final answer
    x = 4,181.83

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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.