Home / 4,088.63-5,642.22-2,387.43

Finding the Fourth Proportional to 4,088.63, 5,642.22 and 2,387.43

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Solution

The fourth proportional to 4,088.63, 5,642.22 and 2,387.43 is: 3,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.63 : 5,642.22 = 2,387.43 : x
  2. Step 2: Convert to fraction form
    4,088.63/5,642.22 = 2,387.43/x
  3. Step 3: Cross multiply
    4,088.63x = 5,642.22 × 2,387.43
  4. Step 4: Simplify right side
    4,088.63x = 13,470,414.25
  5. Step 5: Solve for x
    x = 13,470,414.25/4,088.63
  6. Step 6: Final answer
    x = 3,294.60

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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.