Home / 2,997.48-4,136.38-1,670.93

Finding the Fourth Proportional to 2,997.48, 4,136.38 and 1,670.93

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Solution

The fourth proportional to 2,997.48, 4,136.38 and 1,670.93 is: 2,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.48 : 4,136.38 = 1,670.93 : x
  2. Step 2: Convert to fraction form
    2,997.48/4,136.38 = 1,670.93/x
  3. Step 3: Cross multiply
    2,997.48x = 4,136.38 × 1,670.93
  4. Step 4: Simplify right side
    2,997.48x = 6,911,607.60
  5. Step 5: Solve for x
    x = 6,911,607.60/2,997.48
  6. Step 6: Final answer
    x = 2,305.80

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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.