Home / 5,433.20-7,498.28-3,075.76

Finding the Fourth Proportional to 5,433.20, 7,498.28 and 3,075.76

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Solution

The fourth proportional to 5,433.20, 7,498.28 and 3,075.76 is: 4,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.20 : 7,498.28 = 3,075.76 : x
  2. Step 2: Convert to fraction form
    5,433.20/7,498.28 = 3,075.76/x
  3. Step 3: Cross multiply
    5,433.20x = 7,498.28 × 3,075.76
  4. Step 4: Simplify right side
    5,433.20x = 23,062,909.69
  5. Step 5: Solve for x
    x = 23,062,909.69/5,433.20
  6. Step 6: Final answer
    x = 4,244.81

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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.