Home / 4,121.48-5,688.66-2,354.11

Finding the Fourth Proportional to 4,121.48, 5,688.66 and 2,354.11

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Solution

The fourth proportional to 4,121.48, 5,688.66 and 2,354.11 is: 3,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.48 : 5,688.66 = 2,354.11 : x
  2. Step 2: Convert to fraction form
    4,121.48/5,688.66 = 2,354.11/x
  3. Step 3: Cross multiply
    4,121.48x = 5,688.66 × 2,354.11
  4. Step 4: Simplify right side
    4,121.48x = 13,391,712.76
  5. Step 5: Solve for x
    x = 13,391,712.76/4,121.48
  6. Step 6: Final answer
    x = 3,249.25

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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.