Home / 7,500.10-11,250.60-3,798.04

Finding the Fourth Proportional to 7,500.10, 11,250.60 and 3,798.04

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Solution

The fourth proportional to 7,500.10, 11,250.60 and 3,798.04 is: 5,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.10 : 11,250.60 = 3,798.04 : x
  2. Step 2: Convert to fraction form
    7,500.10/11,250.60 = 3,798.04/x
  3. Step 3: Cross multiply
    7,500.10x = 11,250.60 × 3,798.04
  4. Step 4: Simplify right side
    7,500.10x = 42,730,228.82
  5. Step 5: Solve for x
    x = 42,730,228.82/7,500.10
  6. Step 6: Final answer
    x = 5,697.29

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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.