Home / 2,720.16-3,770.96-2,572.32

Finding the Fourth Proportional to 2,720.16, 3,770.96 and 2,572.32

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Solution

The fourth proportional to 2,720.16, 3,770.96 and 2,572.32 is: 3,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.16 : 3,770.96 = 2,572.32 : x
  2. Step 2: Convert to fraction form
    2,720.16/3,770.96 = 2,572.32/x
  3. Step 3: Cross multiply
    2,720.16x = 3,770.96 × 2,572.32
  4. Step 4: Simplify right side
    2,720.16x = 9,700,115.83
  5. Step 5: Solve for x
    x = 9,700,115.83/2,720.16
  6. Step 6: Final answer
    x = 3,566.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.