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Finding the Fourth Proportional to 5,319.54, 7,310.13 and 5,075.62

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Solution

The fourth proportional to 5,319.54, 7,310.13 and 5,075.62 is: 6,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.54 : 7,310.13 = 5,075.62 : x
  2. Step 2: Convert to fraction form
    5,319.54/7,310.13 = 5,075.62/x
  3. Step 3: Cross multiply
    5,319.54x = 7,310.13 × 5,075.62
  4. Step 4: Simplify right side
    5,319.54x = 37,103,423.76
  5. Step 5: Solve for x
    x = 37,103,423.76/5,319.54
  6. Step 6: Final answer
    x = 6,974.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.