Home / 7,158.04-9,879.33-4,175.62

Finding the Fourth Proportional to 7,158.04, 9,879.33 and 4,175.62

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Solution

The fourth proportional to 7,158.04, 9,879.33 and 4,175.62 is: 5,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.04 : 9,879.33 = 4,175.62 : x
  2. Step 2: Convert to fraction form
    7,158.04/9,879.33 = 4,175.62/x
  3. Step 3: Cross multiply
    7,158.04x = 9,879.33 × 4,175.62
  4. Step 4: Simplify right side
    7,158.04x = 41,252,327.93
  5. Step 5: Solve for x
    x = 41,252,327.93/7,158.04
  6. Step 6: Final answer
    x = 5,763.08

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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.