Home / 2,970.54-4,456.80-1,873.62

Finding the Fourth Proportional to 2,970.54, 4,456.80 and 1,873.62

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Solution

The fourth proportional to 2,970.54, 4,456.80 and 1,873.62 is: 2,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.54 : 4,456.80 = 1,873.62 : x
  2. Step 2: Convert to fraction form
    2,970.54/4,456.80 = 1,873.62/x
  3. Step 3: Cross multiply
    2,970.54x = 4,456.80 × 1,873.62
  4. Step 4: Simplify right side
    2,970.54x = 8,350,349.62
  5. Step 5: Solve for x
    x = 8,350,349.62/2,970.54
  6. Step 6: Final answer
    x = 2,811.05

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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.