Home / 4,477.48-6,715.60-1,190.84

Finding the Fourth Proportional to 4,477.48, 6,715.60 and 1,190.84

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Solution

The fourth proportional to 4,477.48, 6,715.60 and 1,190.84 is: 1,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.48 : 6,715.60 = 1,190.84 : x
  2. Step 2: Convert to fraction form
    4,477.48/6,715.60 = 1,190.84/x
  3. Step 3: Cross multiply
    4,477.48x = 6,715.60 × 1,190.84
  4. Step 4: Simplify right side
    4,477.48x = 7,997,205.10
  5. Step 5: Solve for x
    x = 7,997,205.10/4,477.48
  6. Step 6: Final answer
    x = 1,786.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.