Home / 4,085.47-5,637.88-2,268.43

Finding the Fourth Proportional to 4,085.47, 5,637.88 and 2,268.43

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Solution

The fourth proportional to 4,085.47, 5,637.88 and 2,268.43 is: 3,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.47 : 5,637.88 = 2,268.43 : x
  2. Step 2: Convert to fraction form
    4,085.47/5,637.88 = 2,268.43/x
  3. Step 3: Cross multiply
    4,085.47x = 5,637.88 × 2,268.43
  4. Step 4: Simplify right side
    4,085.47x = 12,789,136.13
  5. Step 5: Solve for x
    x = 12,789,136.13/4,085.47
  6. Step 6: Final answer
    x = 3,130.40

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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.