Home / 5,712.56-7,883.40-3,354.74

Finding the Fourth Proportional to 5,712.56, 7,883.40 and 3,354.74

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Solution

The fourth proportional to 5,712.56, 7,883.40 and 3,354.74 is: 4,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.56 : 7,883.40 = 3,354.74 : x
  2. Step 2: Convert to fraction form
    5,712.56/7,883.40 = 3,354.74/x
  3. Step 3: Cross multiply
    5,712.56x = 7,883.40 × 3,354.74
  4. Step 4: Simplify right side
    5,712.56x = 26,446,757.32
  5. Step 5: Solve for x
    x = 26,446,757.32/5,712.56
  6. Step 6: Final answer
    x = 4,629.58

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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.