Home / 5,432.76-7,497.24-3,075.12

Finding the Fourth Proportional to 5,432.76, 7,497.24 and 3,075.12

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Solution

The fourth proportional to 5,432.76, 7,497.24 and 3,075.12 is: 4,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.76 : 7,497.24 = 3,075.12 : x
  2. Step 2: Convert to fraction form
    5,432.76/7,497.24 = 3,075.12/x
  3. Step 3: Cross multiply
    5,432.76x = 7,497.24 × 3,075.12
  4. Step 4: Simplify right side
    5,432.76x = 23,054,912.67
  5. Step 5: Solve for x
    x = 23,054,912.67/5,432.76
  6. Step 6: Final answer
    x = 4,243.68

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Half scale
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Double scale
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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.