Home / 5,212.20-7,206.72-4,556.16

Finding the Fourth Proportional to 5,212.20, 7,206.72 and 4,556.16

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Solution

The fourth proportional to 5,212.20, 7,206.72 and 4,556.16 is: 6,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.20 : 7,206.72 = 4,556.16 : x
  2. Step 2: Convert to fraction form
    5,212.20/7,206.72 = 4,556.16/x
  3. Step 3: Cross multiply
    5,212.20x = 7,206.72 × 4,556.16
  4. Step 4: Simplify right side
    5,212.20x = 32,834,969.40
  5. Step 5: Solve for x
    x = 32,834,969.40/5,212.20
  6. Step 6: Final answer
    x = 6,299.64

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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.