Home / 5,433.12-7,497.28-3,075.42

Finding the Fourth Proportional to 5,433.12, 7,497.28 and 3,075.42

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Solution

The fourth proportional to 5,433.12, 7,497.28 and 3,075.42 is: 4,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.12 : 7,497.28 = 3,075.42 : x
  2. Step 2: Convert to fraction form
    5,433.12/7,497.28 = 3,075.42/x
  3. Step 3: Cross multiply
    5,433.12x = 7,497.28 × 3,075.42
  4. Step 4: Simplify right side
    5,433.12x = 23,057,284.86
  5. Step 5: Solve for x
    x = 23,057,284.86/5,433.12
  6. Step 6: Final answer
    x = 4,243.84

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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.