Home / 7,720.48-10,659.44-5,924.72

Finding the Fourth Proportional to 7,720.48, 10,659.44 and 5,924.72

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Solution

The fourth proportional to 7,720.48, 10,659.44 and 5,924.72 is: 8,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.48 : 10,659.44 = 5,924.72 : x
  2. Step 2: Convert to fraction form
    7,720.48/10,659.44 = 5,924.72/x
  3. Step 3: Cross multiply
    7,720.48x = 10,659.44 × 5,924.72
  4. Step 4: Simplify right side
    7,720.48x = 63,154,197.36
  5. Step 5: Solve for x
    x = 63,154,197.36/7,720.48
  6. Step 6: Final answer
    x = 8,180.09

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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.