Home / 4,980.56-7,470.75-1,695.93

Finding the Fourth Proportional to 4,980.56, 7,470.75 and 1,695.93

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Solution

The fourth proportional to 4,980.56, 7,470.75 and 1,695.93 is: 2,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.56 : 7,470.75 = 1,695.93 : x
  2. Step 2: Convert to fraction form
    4,980.56/7,470.75 = 1,695.93/x
  3. Step 3: Cross multiply
    4,980.56x = 7,470.75 × 1,695.93
  4. Step 4: Simplify right side
    4,980.56x = 12,669,869.05
  5. Step 5: Solve for x
    x = 12,669,869.05/4,980.56
  6. Step 6: Final answer
    x = 2,543.87

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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.