Home / 4,740.30-7,110.45-3,355.20

Finding the Fourth Proportional to 4,740.30, 7,110.45 and 3,355.20

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Solution

The fourth proportional to 4,740.30, 7,110.45 and 3,355.20 is: 5,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.30 : 7,110.45 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    4,740.30/7,110.45 = 3,355.20/x
  3. Step 3: Cross multiply
    4,740.30x = 7,110.45 × 3,355.20
  4. Step 4: Simplify right side
    4,740.30x = 23,856,981.84
  5. Step 5: Solve for x
    x = 23,856,981.84/4,740.30
  6. Step 6: Final answer
    x = 5,032.80

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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.