Home / 7,319.18-10,100.50-4,175.30

Finding the Fourth Proportional to 7,319.18, 10,100.50 and 4,175.30

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Solution

The fourth proportional to 7,319.18, 10,100.50 and 4,175.30 is: 5,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.18 : 10,100.50 = 4,175.30 : x
  2. Step 2: Convert to fraction form
    7,319.18/10,100.50 = 4,175.30/x
  3. Step 3: Cross multiply
    7,319.18x = 10,100.50 × 4,175.30
  4. Step 4: Simplify right side
    7,319.18x = 42,172,617.65
  5. Step 5: Solve for x
    x = 42,172,617.65/7,319.18
  6. Step 6: Final answer
    x = 5,761.93

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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.