Home / 3,036.52-4,190.93-2,898.01

Finding the Fourth Proportional to 3,036.52, 4,190.93 and 2,898.01

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Solution

The fourth proportional to 3,036.52, 4,190.93 and 2,898.01 is: 3,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.52 : 4,190.93 = 2,898.01 : x
  2. Step 2: Convert to fraction form
    3,036.52/4,190.93 = 2,898.01/x
  3. Step 3: Cross multiply
    3,036.52x = 4,190.93 × 2,898.01
  4. Step 4: Simplify right side
    3,036.52x = 12,145,357.05
  5. Step 5: Solve for x
    x = 12,145,357.05/3,036.52
  6. Step 6: Final answer
    x = 3,999.76

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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.