Home / 3,035.90-4,189.74-1,709.48

Finding the Fourth Proportional to 3,035.90, 4,189.74 and 1,709.48

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Solution

The fourth proportional to 3,035.90, 4,189.74 and 1,709.48 is: 2,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.90 : 4,189.74 = 1,709.48 : x
  2. Step 2: Convert to fraction form
    3,035.90/4,189.74 = 1,709.48/x
  3. Step 3: Cross multiply
    3,035.90x = 4,189.74 × 1,709.48
  4. Step 4: Simplify right side
    3,035.90x = 7,162,276.74
  5. Step 5: Solve for x
    x = 7,162,276.74/3,035.90
  6. Step 6: Final answer
    x = 2,359.19

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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.