Home / 4,720.95-6,515.64-3,399.03

Finding the Fourth Proportional to 4,720.95, 6,515.64 and 3,399.03

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Solution

The fourth proportional to 4,720.95, 6,515.64 and 3,399.03 is: 4,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.95 : 6,515.64 = 3,399.03 : x
  2. Step 2: Convert to fraction form
    4,720.95/6,515.64 = 3,399.03/x
  3. Step 3: Cross multiply
    4,720.95x = 6,515.64 × 3,399.03
  4. Step 4: Simplify right side
    4,720.95x = 22,146,855.83
  5. Step 5: Solve for x
    x = 22,146,855.83/4,720.95
  6. Step 6: Final answer
    x = 4,691.19

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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.