Home / 2,045.71-2,823.08-1,114.21

Finding the Fourth Proportional to 2,045.71, 2,823.08 and 1,114.21

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Solution

The fourth proportional to 2,045.71, 2,823.08 and 1,114.21 is: 1,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.71 : 2,823.08 = 1,114.21 : x
  2. Step 2: Convert to fraction form
    2,045.71/2,823.08 = 1,114.21/x
  3. Step 3: Cross multiply
    2,045.71x = 2,823.08 × 1,114.21
  4. Step 4: Simplify right side
    2,045.71x = 3,145,503.97
  5. Step 5: Solve for x
    x = 3,145,503.97/2,045.71
  6. Step 6: Final answer
    x = 1,537.61

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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.