Home / 6,525.10-9,780.06-3,240.28

Finding the Fourth Proportional to 6,525.10, 9,780.06 and 3,240.28

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Solution

The fourth proportional to 6,525.10, 9,780.06 and 3,240.28 is: 4,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.10 : 9,780.06 = 3,240.28 : x
  2. Step 2: Convert to fraction form
    6,525.10/9,780.06 = 3,240.28/x
  3. Step 3: Cross multiply
    6,525.10x = 9,780.06 × 3,240.28
  4. Step 4: Simplify right side
    6,525.10x = 31,690,132.82
  5. Step 5: Solve for x
    x = 31,690,132.82/6,525.10
  6. Step 6: Final answer
    x = 4,856.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.