Home / 6,781.99-9,360.25-4,056.34

Finding the Fourth Proportional to 6,781.99, 9,360.25 and 4,056.34

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Solution

The fourth proportional to 6,781.99, 9,360.25 and 4,056.34 is: 5,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.99 : 9,360.25 = 4,056.34 : x
  2. Step 2: Convert to fraction form
    6,781.99/9,360.25 = 4,056.34/x
  3. Step 3: Cross multiply
    6,781.99x = 9,360.25 × 4,056.34
  4. Step 4: Simplify right side
    6,781.99x = 37,968,336.20
  5. Step 5: Solve for x
    x = 37,968,336.20/6,781.99
  6. Step 6: Final answer
    x = 5,598.41

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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.