Home / 5,909.27-8,154.81-3,551.45

Finding the Fourth Proportional to 5,909.27, 8,154.81 and 3,551.45

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Solution

The fourth proportional to 5,909.27, 8,154.81 and 3,551.45 is: 4,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.27 : 8,154.81 = 3,551.45 : x
  2. Step 2: Convert to fraction form
    5,909.27/8,154.81 = 3,551.45/x
  3. Step 3: Cross multiply
    5,909.27x = 8,154.81 × 3,551.45
  4. Step 4: Simplify right side
    5,909.27x = 28,961,359.20
  5. Step 5: Solve for x
    x = 28,961,359.20/5,909.27
  6. Step 6: Final answer
    x = 4,901.01

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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.