Home / 5,005.49-6,920.70-4,165.88

Finding the Fourth Proportional to 5,005.49, 6,920.70 and 4,165.88

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Solution

The fourth proportional to 5,005.49, 6,920.70 and 4,165.88 is: 5,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.49 : 6,920.70 = 4,165.88 : x
  2. Step 2: Convert to fraction form
    5,005.49/6,920.70 = 4,165.88/x
  3. Step 3: Cross multiply
    5,005.49x = 6,920.70 × 4,165.88
  4. Step 4: Simplify right side
    5,005.49x = 28,830,805.72
  5. Step 5: Solve for x
    x = 28,830,805.72/5,005.49
  6. Step 6: Final answer
    x = 5,759.84

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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.