Home / 7,905.60-11,859.62-2,710.24

Finding the Fourth Proportional to 7,905.60, 11,859.62 and 2,710.24

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Solution

The fourth proportional to 7,905.60, 11,859.62 and 2,710.24 is: 4,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.60 : 11,859.62 = 2,710.24 : x
  2. Step 2: Convert to fraction form
    7,905.60/11,859.62 = 2,710.24/x
  3. Step 3: Cross multiply
    7,905.60x = 11,859.62 × 2,710.24
  4. Step 4: Simplify right side
    7,905.60x = 32,142,416.51
  5. Step 5: Solve for x
    x = 32,142,416.51/7,905.60
  6. Step 6: Final answer
    x = 4,065.78

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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.