Home / 5,683.39-8,515.81-3,487.48

Finding the Fourth Proportional to 5,683.39, 8,515.81 and 3,487.48

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Solution

The fourth proportional to 5,683.39, 8,515.81 and 3,487.48 is: 5,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.39 : 8,515.81 = 3,487.48 : x
  2. Step 2: Convert to fraction form
    5,683.39/8,515.81 = 3,487.48/x
  3. Step 3: Cross multiply
    5,683.39x = 8,515.81 × 3,487.48
  4. Step 4: Simplify right side
    5,683.39x = 29,698,665.76
  5. Step 5: Solve for x
    x = 29,698,665.76/5,683.39
  6. Step 6: Final answer
    x = 5,225.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.