Home / 5,167.74-7,135.49-3,970.83

Finding the Fourth Proportional to 5,167.74, 7,135.49 and 3,970.83

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Solution

The fourth proportional to 5,167.74, 7,135.49 and 3,970.83 is: 5,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.74 : 7,135.49 = 3,970.83 : x
  2. Step 2: Convert to fraction form
    5,167.74/7,135.49 = 3,970.83/x
  3. Step 3: Cross multiply
    5,167.74x = 7,135.49 × 3,970.83
  4. Step 4: Simplify right side
    5,167.74x = 28,333,794.19
  5. Step 5: Solve for x
    x = 28,333,794.19/5,167.74
  6. Step 6: Final answer
    x = 5,482.82

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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.