Home / 7,236.06-9,985.59-4,049.40

Finding the Fourth Proportional to 7,236.06, 9,985.59 and 4,049.40

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Solution

The fourth proportional to 7,236.06, 9,985.59 and 4,049.40 is: 5,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.06 : 9,985.59 = 4,049.40 : x
  2. Step 2: Convert to fraction form
    7,236.06/9,985.59 = 4,049.40/x
  3. Step 3: Cross multiply
    7,236.06x = 9,985.59 × 4,049.40
  4. Step 4: Simplify right side
    7,236.06x = 40,435,648.15
  5. Step 5: Solve for x
    x = 40,435,648.15/7,236.06
  6. Step 6: Final answer
    x = 5,588.08

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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.