Home / 6,553.40-9,055.20-5,237.96

Finding the Fourth Proportional to 6,553.40, 9,055.20 and 5,237.96

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Solution

The fourth proportional to 6,553.40, 9,055.20 and 5,237.96 is: 7,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.40 : 9,055.20 = 5,237.96 : x
  2. Step 2: Convert to fraction form
    6,553.40/9,055.20 = 5,237.96/x
  3. Step 3: Cross multiply
    6,553.40x = 9,055.20 × 5,237.96
  4. Step 4: Simplify right side
    6,553.40x = 47,430,775.39
  5. Step 5: Solve for x
    x = 47,430,775.39/6,553.40
  6. Step 6: Final answer
    x = 7,237.58

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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.