Home / 5,119.29-7,047.55-4,884.18

Finding the Fourth Proportional to 5,119.29, 7,047.55 and 4,884.18

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Solution

The fourth proportional to 5,119.29, 7,047.55 and 4,884.18 is: 6,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.29 : 7,047.55 = 4,884.18 : x
  2. Step 2: Convert to fraction form
    5,119.29/7,047.55 = 4,884.18/x
  3. Step 3: Cross multiply
    5,119.29x = 7,047.55 × 4,884.18
  4. Step 4: Simplify right side
    5,119.29x = 34,421,478.34
  5. Step 5: Solve for x
    x = 34,421,478.34/5,119.29
  6. Step 6: Final answer
    x = 6,723.88

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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.