Home / 5,487.09-7,573.40-4,589.81

Finding the Fourth Proportional to 5,487.09, 7,573.40 and 4,589.81

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Solution

The fourth proportional to 5,487.09, 7,573.40 and 4,589.81 is: 6,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.09 : 7,573.40 = 4,589.81 : x
  2. Step 2: Convert to fraction form
    5,487.09/7,573.40 = 4,589.81/x
  3. Step 3: Cross multiply
    5,487.09x = 7,573.40 × 4,589.81
  4. Step 4: Simplify right side
    5,487.09x = 34,760,494.45
  5. Step 5: Solve for x
    x = 34,760,494.45/5,487.09
  6. Step 6: Final answer
    x = 6,334.96

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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.