Home / 2,301.65-3,175.12-1,505.44

Finding the Fourth Proportional to 2,301.65, 3,175.12 and 1,505.44

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Solution

The fourth proportional to 2,301.65, 3,175.12 and 1,505.44 is: 2,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.65 : 3,175.12 = 1,505.44 : x
  2. Step 2: Convert to fraction form
    2,301.65/3,175.12 = 1,505.44/x
  3. Step 3: Cross multiply
    2,301.65x = 3,175.12 × 1,505.44
  4. Step 4: Simplify right side
    2,301.65x = 4,779,952.65
  5. Step 5: Solve for x
    x = 4,779,952.65/2,301.65
  6. Step 6: Final answer
    x = 2,076.75

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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.