Home / 5,345.99-7,374.18-3,456.86

Finding the Fourth Proportional to 5,345.99, 7,374.18 and 3,456.86

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Solution

The fourth proportional to 5,345.99, 7,374.18 and 3,456.86 is: 4,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.99 : 7,374.18 = 3,456.86 : x
  2. Step 2: Convert to fraction form
    5,345.99/7,374.18 = 3,456.86/x
  3. Step 3: Cross multiply
    5,345.99x = 7,374.18 × 3,456.86
  4. Step 4: Simplify right side
    5,345.99x = 25,491,507.87
  5. Step 5: Solve for x
    x = 25,491,507.87/5,345.99
  6. Step 6: Final answer
    x = 4,768.34

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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.