Home / 4,812.40-7,217.99-1,525.52

Finding the Fourth Proportional to 4,812.40, 7,217.99 and 1,525.52

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Solution

The fourth proportional to 4,812.40, 7,217.99 and 1,525.52 is: 2,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.40 : 7,217.99 = 1,525.52 : x
  2. Step 2: Convert to fraction form
    4,812.40/7,217.99 = 1,525.52/x
  3. Step 3: Cross multiply
    4,812.40x = 7,217.99 × 1,525.52
  4. Step 4: Simplify right side
    4,812.40x = 11,011,188.10
  5. Step 5: Solve for x
    x = 11,011,188.10/4,812.40
  6. Step 6: Final answer
    x = 2,288.09

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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.