Home / 7,475.30-11,203.35-3,095.78

Finding the Fourth Proportional to 7,475.30, 11,203.35 and 3,095.78

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Solution

The fourth proportional to 7,475.30, 11,203.35 and 3,095.78 is: 4,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.30 : 11,203.35 = 3,095.78 : x
  2. Step 2: Convert to fraction form
    7,475.30/11,203.35 = 3,095.78/x
  3. Step 3: Cross multiply
    7,475.30x = 11,203.35 × 3,095.78
  4. Step 4: Simplify right side
    7,475.30x = 34,683,106.86
  5. Step 5: Solve for x
    x = 34,683,106.86/7,475.30
  6. Step 6: Final answer
    x = 4,639.69

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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.