Home / 5,402.21-8,105.00-4,586.45

Finding the Fourth Proportional to 5,402.21, 8,105.00 and 4,586.45

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Solution

The fourth proportional to 5,402.21, 8,105.00 and 4,586.45 is: 6,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.21 : 8,105.00 = 4,586.45 : x
  2. Step 2: Convert to fraction form
    5,402.21/8,105.00 = 4,586.45/x
  3. Step 3: Cross multiply
    5,402.21x = 8,105.00 × 4,586.45
  4. Step 4: Simplify right side
    5,402.21x = 37,173,154.32
  5. Step 5: Solve for x
    x = 37,173,154.32/5,402.21
  6. Step 6: Final answer
    x = 6,881.10

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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.