Home / 7,929.53-10,937.80-5,100.59

Finding the Fourth Proportional to 7,929.53, 10,937.80 and 5,100.59

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Solution

The fourth proportional to 7,929.53, 10,937.80 and 5,100.59 is: 7,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.53 : 10,937.80 = 5,100.59 : x
  2. Step 2: Convert to fraction form
    7,929.53/10,937.80 = 5,100.59/x
  3. Step 3: Cross multiply
    7,929.53x = 10,937.80 × 5,100.59
  4. Step 4: Simplify right side
    7,929.53x = 55,789,207.80
  5. Step 5: Solve for x
    x = 55,789,207.80/7,929.53
  6. Step 6: Final answer
    x = 7,035.63

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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.