Home / 1,849.17-2,551.20-1,186.39

Finding the Fourth Proportional to 1,849.17, 2,551.20 and 1,186.39

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Solution

The fourth proportional to 1,849.17, 2,551.20 and 1,186.39 is: 1,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.17 : 2,551.20 = 1,186.39 : x
  2. Step 2: Convert to fraction form
    1,849.17/2,551.20 = 1,186.39/x
  3. Step 3: Cross multiply
    1,849.17x = 2,551.20 × 1,186.39
  4. Step 4: Simplify right side
    1,849.17x = 3,026,718.17
  5. Step 5: Solve for x
    x = 3,026,718.17/1,849.17
  6. Step 6: Final answer
    x = 1,636.80

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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.