Home / 6,624.37-9,125.31-5,677.12

Finding the Fourth Proportional to 6,624.37, 9,125.31 and 5,677.12

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Solution

The fourth proportional to 6,624.37, 9,125.31 and 5,677.12 is: 7,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.37 : 9,125.31 = 5,677.12 : x
  2. Step 2: Convert to fraction form
    6,624.37/9,125.31 = 5,677.12/x
  3. Step 3: Cross multiply
    6,624.37x = 9,125.31 × 5,677.12
  4. Step 4: Simplify right side
    6,624.37x = 51,805,479.91
  5. Step 5: Solve for x
    x = 51,805,479.91/6,624.37
  6. Step 6: Final answer
    x = 7,820.44

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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.