Home / 5,485.11-7,570.52-4,156.48

Finding the Fourth Proportional to 5,485.11, 7,570.52 and 4,156.48

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Solution

The fourth proportional to 5,485.11, 7,570.52 and 4,156.48 is: 5,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.11 : 7,570.52 = 4,156.48 : x
  2. Step 2: Convert to fraction form
    5,485.11/7,570.52 = 4,156.48/x
  3. Step 3: Cross multiply
    5,485.11x = 7,570.52 × 4,156.48
  4. Step 4: Simplify right side
    5,485.11x = 31,466,714.97
  5. Step 5: Solve for x
    x = 31,466,714.97/5,485.11
  6. Step 6: Final answer
    x = 5,736.75

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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.