Home / 4,521.93-6,782.84-1,235.05

Finding the Fourth Proportional to 4,521.93, 6,782.84 and 1,235.05

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Solution

The fourth proportional to 4,521.93, 6,782.84 and 1,235.05 is: 1,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.93 : 6,782.84 = 1,235.05 : x
  2. Step 2: Convert to fraction form
    4,521.93/6,782.84 = 1,235.05/x
  3. Step 3: Cross multiply
    4,521.93x = 6,782.84 × 1,235.05
  4. Step 4: Simplify right side
    4,521.93x = 8,377,128.04
  5. Step 5: Solve for x
    x = 8,377,128.04/4,521.93
  6. Step 6: Final answer
    x = 1,852.56

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Double scale
Find fourth proportional to 4,522.93, 6,784.34 and 1,236.05
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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.