Home / 4,776.48-7,164.56-2,179.40

Finding the Fourth Proportional to 4,776.48, 7,164.56 and 2,179.40

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Solution

The fourth proportional to 4,776.48, 7,164.56 and 2,179.40 is: 3,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.48 : 7,164.56 = 2,179.40 : x
  2. Step 2: Convert to fraction form
    4,776.48/7,164.56 = 2,179.40/x
  3. Step 3: Cross multiply
    4,776.48x = 7,164.56 × 2,179.40
  4. Step 4: Simplify right side
    4,776.48x = 15,614,442.06
  5. Step 5: Solve for x
    x = 15,614,442.06/4,776.48
  6. Step 6: Final answer
    x = 3,269.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.