Home / 7,299.02-10,072.45-4,155.02

Finding the Fourth Proportional to 7,299.02, 10,072.45 and 4,155.02

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Solution

The fourth proportional to 7,299.02, 10,072.45 and 4,155.02 is: 5,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.02 : 10,072.45 = 4,155.02 : x
  2. Step 2: Convert to fraction form
    7,299.02/10,072.45 = 4,155.02/x
  3. Step 3: Cross multiply
    7,299.02x = 10,072.45 × 4,155.02
  4. Step 4: Simplify right side
    7,299.02x = 41,851,231.20
  5. Step 5: Solve for x
    x = 41,851,231.20/7,299.02
  6. Step 6: Final answer
    x = 5,733.82

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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.