Home / 5,512.05-7,607.55-5,329.80

Finding the Fourth Proportional to 5,512.05, 7,607.55 and 5,329.80

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Solution

The fourth proportional to 5,512.05, 7,607.55 and 5,329.80 is: 7,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.05 : 7,607.55 = 5,329.80 : x
  2. Step 2: Convert to fraction form
    5,512.05/7,607.55 = 5,329.80/x
  3. Step 3: Cross multiply
    5,512.05x = 7,607.55 × 5,329.80
  4. Step 4: Simplify right side
    5,512.05x = 40,546,719.99
  5. Step 5: Solve for x
    x = 40,546,719.99/5,512.05
  6. Step 6: Final answer
    x = 7,356.01

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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.