Home / 5,355.96-7,390.93-2,997.65

Finding the Fourth Proportional to 5,355.96, 7,390.93 and 2,997.65

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Solution

The fourth proportional to 5,355.96, 7,390.93 and 2,997.65 is: 4,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.96 : 7,390.93 = 2,997.65 : x
  2. Step 2: Convert to fraction form
    5,355.96/7,390.93 = 2,997.65/x
  3. Step 3: Cross multiply
    5,355.96x = 7,390.93 × 2,997.65
  4. Step 4: Simplify right side
    5,355.96x = 22,155,421.31
  5. Step 5: Solve for x
    x = 22,155,421.31/5,355.96
  6. Step 6: Final answer
    x = 4,136.59

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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.