Home / 5,678.02-8,516.67-3,487.06

Finding the Fourth Proportional to 5,678.02, 8,516.67 and 3,487.06

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Solution

The fourth proportional to 5,678.02, 8,516.67 and 3,487.06 is: 5,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.02 : 8,516.67 = 3,487.06 : x
  2. Step 2: Convert to fraction form
    5,678.02/8,516.67 = 3,487.06/x
  3. Step 3: Cross multiply
    5,678.02x = 8,516.67 × 3,487.06
  4. Step 4: Simplify right side
    5,678.02x = 29,698,139.29
  5. Step 5: Solve for x
    x = 29,698,139.29/5,678.02
  6. Step 6: Final answer
    x = 5,230.37

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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.