Home / 5,261.51-7,890.70-4,334.77

Finding the Fourth Proportional to 5,261.51, 7,890.70 and 4,334.77

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Solution

The fourth proportional to 5,261.51, 7,890.70 and 4,334.77 is: 6,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.51 : 7,890.70 = 4,334.77 : x
  2. Step 2: Convert to fraction form
    5,261.51/7,890.70 = 4,334.77/x
  3. Step 3: Cross multiply
    5,261.51x = 7,890.70 × 4,334.77
  4. Step 4: Simplify right side
    5,261.51x = 34,204,347.97
  5. Step 5: Solve for x
    x = 34,204,347.97/5,261.51
  6. Step 6: Final answer
    x = 6,500.86

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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.