Home / 4,478.06-6,178.20-2,589.14

Finding the Fourth Proportional to 4,478.06, 6,178.20 and 2,589.14

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Solution

The fourth proportional to 4,478.06, 6,178.20 and 2,589.14 is: 3,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.06 : 6,178.20 = 2,589.14 : x
  2. Step 2: Convert to fraction form
    4,478.06/6,178.20 = 2,589.14/x
  3. Step 3: Cross multiply
    4,478.06x = 6,178.20 × 2,589.14
  4. Step 4: Simplify right side
    4,478.06x = 15,996,224.75
  5. Step 5: Solve for x
    x = 15,996,224.75/4,478.06
  6. Step 6: Final answer
    x = 3,572.13

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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.