Home / 7,335.02-10,121.49-4,190.60

Finding the Fourth Proportional to 7,335.02, 10,121.49 and 4,190.60

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Solution

The fourth proportional to 7,335.02, 10,121.49 and 4,190.60 is: 5,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.02 : 10,121.49 = 4,190.60 : x
  2. Step 2: Convert to fraction form
    7,335.02/10,121.49 = 4,190.60/x
  3. Step 3: Cross multiply
    7,335.02x = 10,121.49 × 4,190.60
  4. Step 4: Simplify right side
    7,335.02x = 42,415,115.99
  5. Step 5: Solve for x
    x = 42,415,115.99/7,335.02
  6. Step 6: Final answer
    x = 5,782.55

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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.