Home / 5,402.56-7,455-3,045.12

Finding the Fourth Proportional to 5,402.56, 7,455 and 3,045.12

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Solution

The fourth proportional to 5,402.56, 7,455 and 3,045.12 is: 4,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.56 : 7,455 = 3,045.12 : x
  2. Step 2: Convert to fraction form
    5,402.56/7,455 = 3,045.12/x
  3. Step 3: Cross multiply
    5,402.56x = 7,455 × 3,045.12
  4. Step 4: Simplify right side
    5,402.56x = 22,701,369.60
  5. Step 5: Solve for x
    x = 22,701,369.60/5,402.56
  6. Step 6: Final answer
    x = 4,201.97

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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.