Home / 2,256.84-3,386.73-1,217.57

Finding the Fourth Proportional to 2,256.84, 3,386.73 and 1,217.57

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Solution

The fourth proportional to 2,256.84, 3,386.73 and 1,217.57 is: 1,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.84 : 3,386.73 = 1,217.57 : x
  2. Step 2: Convert to fraction form
    2,256.84/3,386.73 = 1,217.57/x
  3. Step 3: Cross multiply
    2,256.84x = 3,386.73 × 1,217.57
  4. Step 4: Simplify right side
    2,256.84x = 4,123,563.91
  5. Step 5: Solve for x
    x = 4,123,563.91/2,256.84
  6. Step 6: Final answer
    x = 1,827.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.