Home / 5,211.04-7,191.24-2,853.22

Finding the Fourth Proportional to 5,211.04, 7,191.24 and 2,853.22

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Solution

The fourth proportional to 5,211.04, 7,191.24 and 2,853.22 is: 3,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.04 : 7,191.24 = 2,853.22 : x
  2. Step 2: Convert to fraction form
    5,211.04/7,191.24 = 2,853.22/x
  3. Step 3: Cross multiply
    5,211.04x = 7,191.24 × 2,853.22
  4. Step 4: Simplify right side
    5,211.04x = 20,518,189.79
  5. Step 5: Solve for x
    x = 20,518,189.79/5,211.04
  6. Step 6: Final answer
    x = 3,937.45

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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.