Home / 3,036.16-4,190.08-1,709.92

Finding the Fourth Proportional to 3,036.16, 4,190.08 and 1,709.92

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Solution

The fourth proportional to 3,036.16, 4,190.08 and 1,709.92 is: 2,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.16 : 4,190.08 = 1,709.92 : x
  2. Step 2: Convert to fraction form
    3,036.16/4,190.08 = 1,709.92/x
  3. Step 3: Cross multiply
    3,036.16x = 4,190.08 × 1,709.92
  4. Step 4: Simplify right side
    3,036.16x = 7,164,701.59
  5. Step 5: Solve for x
    x = 7,164,701.59/3,036.16
  6. Step 6: Final answer
    x = 2,359.79

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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.