Home / 2,032.53-2,805.90-1,287.24

Finding the Fourth Proportional to 2,032.53, 2,805.90 and 1,287.24

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Solution

The fourth proportional to 2,032.53, 2,805.90 and 1,287.24 is: 1,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.53 : 2,805.90 = 1,287.24 : x
  2. Step 2: Convert to fraction form
    2,032.53/2,805.90 = 1,287.24/x
  3. Step 3: Cross multiply
    2,032.53x = 2,805.90 × 1,287.24
  4. Step 4: Simplify right side
    2,032.53x = 3,611,866.72
  5. Step 5: Solve for x
    x = 3,611,866.72/2,032.53
  6. Step 6: Final answer
    x = 1,777.03

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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.