Home / 5,407.13-7,461.83-3,311.25

Finding the Fourth Proportional to 5,407.13, 7,461.83 and 3,311.25

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Solution

The fourth proportional to 5,407.13, 7,461.83 and 3,311.25 is: 4,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.13 : 7,461.83 = 3,311.25 : x
  2. Step 2: Convert to fraction form
    5,407.13/7,461.83 = 3,311.25/x
  3. Step 3: Cross multiply
    5,407.13x = 7,461.83 × 3,311.25
  4. Step 4: Simplify right side
    5,407.13x = 24,707,992.87
  5. Step 5: Solve for x
    x = 24,707,992.87/5,407.13
  6. Step 6: Final answer
    x = 4,569.53

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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.