Home / 6,535.72-9,780.54-4,782.76

Finding the Fourth Proportional to 6,535.72, 9,780.54 and 4,782.76

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Solution

The fourth proportional to 6,535.72, 9,780.54 and 4,782.76 is: 7,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.72 : 9,780.54 = 4,782.76 : x
  2. Step 2: Convert to fraction form
    6,535.72/9,780.54 = 4,782.76/x
  3. Step 3: Cross multiply
    6,535.72x = 9,780.54 × 4,782.76
  4. Step 4: Simplify right side
    6,535.72x = 46,777,975.49
  5. Step 5: Solve for x
    x = 46,777,975.49/6,535.72
  6. Step 6: Final answer
    x = 7,157.28

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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.