Home / 2,999.58-4,139.76-1,673.46

Finding the Fourth Proportional to 2,999.58, 4,139.76 and 1,673.46

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Solution

The fourth proportional to 2,999.58, 4,139.76 and 1,673.46 is: 2,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.58 : 4,139.76 = 1,673.46 : x
  2. Step 2: Convert to fraction form
    2,999.58/4,139.76 = 1,673.46/x
  3. Step 3: Cross multiply
    2,999.58x = 4,139.76 × 1,673.46
  4. Step 4: Simplify right side
    2,999.58x = 6,927,722.77
  5. Step 5: Solve for x
    x = 6,927,722.77/2,999.58
  6. Step 6: Final answer
    x = 2,309.56

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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.