Home / 5,484.27-7,560.42-3,909.63

Finding the Fourth Proportional to 5,484.27, 7,560.42 and 3,909.63

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Solution

The fourth proportional to 5,484.27, 7,560.42 and 3,909.63 is: 5,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.27 : 7,560.42 = 3,909.63 : x
  2. Step 2: Convert to fraction form
    5,484.27/7,560.42 = 3,909.63/x
  3. Step 3: Cross multiply
    5,484.27x = 7,560.42 × 3,909.63
  4. Step 4: Simplify right side
    5,484.27x = 29,558,444.84
  5. Step 5: Solve for x
    x = 29,558,444.84/5,484.27
  6. Step 6: Final answer
    x = 5,389.68

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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.