Home / 5,091.85-7,026.40-2,823.17

Finding the Fourth Proportional to 5,091.85, 7,026.40 and 2,823.17

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Solution

The fourth proportional to 5,091.85, 7,026.40 and 2,823.17 is: 3,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.85 : 7,026.40 = 2,823.17 : x
  2. Step 2: Convert to fraction form
    5,091.85/7,026.40 = 2,823.17/x
  3. Step 3: Cross multiply
    5,091.85x = 7,026.40 × 2,823.17
  4. Step 4: Simplify right side
    5,091.85x = 19,836,690.08
  5. Step 5: Solve for x
    x = 19,836,690.08/5,091.85
  6. Step 6: Final answer
    x = 3,895.77

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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.