Home / 5,136.48-7,705.53-1,849.86

Finding the Fourth Proportional to 5,136.48, 7,705.53 and 1,849.86

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Solution

The fourth proportional to 5,136.48, 7,705.53 and 1,849.86 is: 2,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.48 : 7,705.53 = 1,849.86 : x
  2. Step 2: Convert to fraction form
    5,136.48/7,705.53 = 1,849.86/x
  3. Step 3: Cross multiply
    5,136.48x = 7,705.53 × 1,849.86
  4. Step 4: Simplify right side
    5,136.48x = 14,254,151.73
  5. Step 5: Solve for x
    x = 14,254,151.73/5,136.48
  6. Step 6: Final answer
    x = 2,775.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.