Home / 5,055.32-7,583.58-4,778.84

Finding the Fourth Proportional to 5,055.32, 7,583.58 and 4,778.84

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Solution

The fourth proportional to 5,055.32, 7,583.58 and 4,778.84 is: 7,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.32 : 7,583.58 = 4,778.84 : x
  2. Step 2: Convert to fraction form
    5,055.32/7,583.58 = 4,778.84/x
  3. Step 3: Cross multiply
    5,055.32x = 7,583.58 × 4,778.84
  4. Step 4: Simplify right side
    5,055.32x = 36,240,677.53
  5. Step 5: Solve for x
    x = 36,240,677.53/5,055.32
  6. Step 6: Final answer
    x = 7,168.83

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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.