Home / 7,379.04-10,182.16-4,191.18

Finding the Fourth Proportional to 7,379.04, 10,182.16 and 4,191.18

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Solution

The fourth proportional to 7,379.04, 10,182.16 and 4,191.18 is: 5,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.04 : 10,182.16 = 4,191.18 : x
  2. Step 2: Convert to fraction form
    7,379.04/10,182.16 = 4,191.18/x
  3. Step 3: Cross multiply
    7,379.04x = 10,182.16 × 4,191.18
  4. Step 4: Simplify right side
    7,379.04x = 42,675,265.35
  5. Step 5: Solve for x
    x = 42,675,265.35/7,379.04
  6. Step 6: Final answer
    x = 5,783.31

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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.