Home / 2,270.24-3,136.08-1,752.80

Finding the Fourth Proportional to 2,270.24, 3,136.08 and 1,752.80

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Solution

The fourth proportional to 2,270.24, 3,136.08 and 1,752.80 is: 2,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.24 : 3,136.08 = 1,752.80 : x
  2. Step 2: Convert to fraction form
    2,270.24/3,136.08 = 1,752.80/x
  3. Step 3: Cross multiply
    2,270.24x = 3,136.08 × 1,752.80
  4. Step 4: Simplify right side
    2,270.24x = 5,496,921.02
  5. Step 5: Solve for x
    x = 5,496,921.02/2,270.24
  6. Step 6: Final answer
    x = 2,421.30

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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.