Home / 5,358.92-7,394.55-3,119.06

Finding the Fourth Proportional to 5,358.92, 7,394.55 and 3,119.06

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Solution

The fourth proportional to 5,358.92, 7,394.55 and 3,119.06 is: 4,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.92 : 7,394.55 = 3,119.06 : x
  2. Step 2: Convert to fraction form
    5,358.92/7,394.55 = 3,119.06/x
  3. Step 3: Cross multiply
    5,358.92x = 7,394.55 × 3,119.06
  4. Step 4: Simplify right side
    5,358.92x = 23,064,008.15
  5. Step 5: Solve for x
    x = 23,064,008.15/5,358.92
  6. Step 6: Final answer
    x = 4,303.86

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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.