Home / 5,275.18-7,910.11-1,763.97

Finding the Fourth Proportional to 5,275.18, 7,910.11 and 1,763.97

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Solution

The fourth proportional to 5,275.18, 7,910.11 and 1,763.97 is: 2,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.18 : 7,910.11 = 1,763.97 : x
  2. Step 2: Convert to fraction form
    5,275.18/7,910.11 = 1,763.97/x
  3. Step 3: Cross multiply
    5,275.18x = 7,910.11 × 1,763.97
  4. Step 4: Simplify right side
    5,275.18x = 13,953,196.74
  5. Step 5: Solve for x
    x = 13,953,196.74/5,275.18
  6. Step 6: Final answer
    x = 2,645.07

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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.