Home / 4,720.60-7,074.76-1,944.12

Finding the Fourth Proportional to 4,720.60, 7,074.76 and 1,944.12

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Solution

The fourth proportional to 4,720.60, 7,074.76 and 1,944.12 is: 2,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.60 : 7,074.76 = 1,944.12 : x
  2. Step 2: Convert to fraction form
    4,720.60/7,074.76 = 1,944.12/x
  3. Step 3: Cross multiply
    4,720.60x = 7,074.76 × 1,944.12
  4. Step 4: Simplify right side
    4,720.60x = 13,754,182.41
  5. Step 5: Solve for x
    x = 13,754,182.41/4,720.60
  6. Step 6: Final answer
    x = 2,913.65

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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.