Home / 5,572.42-7,689.58-3,214.38

Finding the Fourth Proportional to 5,572.42, 7,689.58 and 3,214.38

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Solution

The fourth proportional to 5,572.42, 7,689.58 and 3,214.38 is: 4,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.42 : 7,689.58 = 3,214.38 : x
  2. Step 2: Convert to fraction form
    5,572.42/7,689.58 = 3,214.38/x
  3. Step 3: Cross multiply
    5,572.42x = 7,689.58 × 3,214.38
  4. Step 4: Simplify right side
    5,572.42x = 24,717,232.16
  5. Step 5: Solve for x
    x = 24,717,232.16/5,572.42
  6. Step 6: Final answer
    x = 4,435.64

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Half scale
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Double scale
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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.