Home / 5,466.80-8,157.52-5,434.40

Finding the Fourth Proportional to 5,466.80, 8,157.52 and 5,434.40

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Solution

The fourth proportional to 5,466.80, 8,157.52 and 5,434.40 is: 8,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.80 : 8,157.52 = 5,434.40 : x
  2. Step 2: Convert to fraction form
    5,466.80/8,157.52 = 5,434.40/x
  3. Step 3: Cross multiply
    5,466.80x = 8,157.52 × 5,434.40
  4. Step 4: Simplify right side
    5,466.80x = 44,331,226.69
  5. Step 5: Solve for x
    x = 44,331,226.69/5,466.80
  6. Step 6: Final answer
    x = 8,109.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.