Home / 5,572.12-7,689.24-3,214.12

Finding the Fourth Proportional to 5,572.12, 7,689.24 and 3,214.12

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Solution

The fourth proportional to 5,572.12, 7,689.24 and 3,214.12 is: 4,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.12 : 7,689.24 = 3,214.12 : x
  2. Step 2: Convert to fraction form
    5,572.12/7,689.24 = 3,214.12/x
  3. Step 3: Cross multiply
    5,572.12x = 7,689.24 × 3,214.12
  4. Step 4: Simplify right side
    5,572.12x = 24,714,140.07
  5. Step 5: Solve for x
    x = 24,714,140.07/5,572.12
  6. Step 6: Final answer
    x = 4,435.32

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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.