Home / 5,568.12-7,683.72-3,210.12

Finding the Fourth Proportional to 5,568.12, 7,683.72 and 3,210.12

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Solution

The fourth proportional to 5,568.12, 7,683.72 and 3,210.12 is: 4,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.12 : 7,683.72 = 3,210.12 : x
  2. Step 2: Convert to fraction form
    5,568.12/7,683.72 = 3,210.12/x
  3. Step 3: Cross multiply
    5,568.12x = 7,683.72 × 3,210.12
  4. Step 4: Simplify right side
    5,568.12x = 24,665,663.25
  5. Step 5: Solve for x
    x = 24,665,663.25/5,568.12
  6. Step 6: Final answer
    x = 4,429.80

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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.