Home / 4,990.48-6,893.84-4,728.04

Finding the Fourth Proportional to 4,990.48, 6,893.84 and 4,728.04

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Solution

The fourth proportional to 4,990.48, 6,893.84 and 4,728.04 is: 6,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.48 : 6,893.84 = 4,728.04 : x
  2. Step 2: Convert to fraction form
    4,990.48/6,893.84 = 4,728.04/x
  3. Step 3: Cross multiply
    4,990.48x = 6,893.84 × 4,728.04
  4. Step 4: Simplify right side
    4,990.48x = 32,594,345.86
  5. Step 5: Solve for x
    x = 32,594,345.86/4,990.48
  6. Step 6: Final answer
    x = 6,531.31

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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.