Home / 4,867.80-6,720.80-3,746.76

Finding the Fourth Proportional to 4,867.80, 6,720.80 and 3,746.76

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Solution

The fourth proportional to 4,867.80, 6,720.80 and 3,746.76 is: 5,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.80 : 6,720.80 = 3,746.76 : x
  2. Step 2: Convert to fraction form
    4,867.80/6,720.80 = 3,746.76/x
  3. Step 3: Cross multiply
    4,867.80x = 6,720.80 × 3,746.76
  4. Step 4: Simplify right side
    4,867.80x = 25,181,224.61
  5. Step 5: Solve for x
    x = 25,181,224.61/4,867.80
  6. Step 6: Final answer
    x = 5,173.02

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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.