Home / 5,415.55-7,461.85-3,644.08

Finding the Fourth Proportional to 5,415.55, 7,461.85 and 3,644.08

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Solution

The fourth proportional to 5,415.55, 7,461.85 and 3,644.08 is: 5,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.55 : 7,461.85 = 3,644.08 : x
  2. Step 2: Convert to fraction form
    5,415.55/7,461.85 = 3,644.08/x
  3. Step 3: Cross multiply
    5,415.55x = 7,461.85 × 3,644.08
  4. Step 4: Simplify right side
    5,415.55x = 27,191,578.35
  5. Step 5: Solve for x
    x = 27,191,578.35/5,415.55
  6. Step 6: Final answer
    x = 5,021.02

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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.