Home / 4,980.61-7,470.46-1,693.33

Finding the Fourth Proportional to 4,980.61, 7,470.46 and 1,693.33

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Solution

The fourth proportional to 4,980.61, 7,470.46 and 1,693.33 is: 2,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.61 : 7,470.46 = 1,693.33 : x
  2. Step 2: Convert to fraction form
    4,980.61/7,470.46 = 1,693.33/x
  3. Step 3: Cross multiply
    4,980.61x = 7,470.46 × 1,693.33
  4. Step 4: Simplify right side
    4,980.61x = 12,649,937.47
  5. Step 5: Solve for x
    x = 12,649,937.47/4,980.61
  6. Step 6: Final answer
    x = 2,539.84

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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.