Home / 7,057.76-10,584.40-2,376.80

Finding the Fourth Proportional to 7,057.76, 10,584.40 and 2,376.80

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Solution

The fourth proportional to 7,057.76, 10,584.40 and 2,376.80 is: 3,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.76 : 10,584.40 = 2,376.80 : x
  2. Step 2: Convert to fraction form
    7,057.76/10,584.40 = 2,376.80/x
  3. Step 3: Cross multiply
    7,057.76x = 10,584.40 × 2,376.80
  4. Step 4: Simplify right side
    7,057.76x = 25,157,001.92
  5. Step 5: Solve for x
    x = 25,157,001.92/7,057.76
  6. Step 6: Final answer
    x = 3,564.45

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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.