Home / 5,314.35-7,333.29-3,075.78

Finding the Fourth Proportional to 5,314.35, 7,333.29 and 3,075.78

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Solution

The fourth proportional to 5,314.35, 7,333.29 and 3,075.78 is: 4,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.35 : 7,333.29 = 3,075.78 : x
  2. Step 2: Convert to fraction form
    5,314.35/7,333.29 = 3,075.78/x
  3. Step 3: Cross multiply
    5,314.35x = 7,333.29 × 3,075.78
  4. Step 4: Simplify right side
    5,314.35x = 22,555,586.72
  5. Step 5: Solve for x
    x = 22,555,586.72/5,314.35
  6. Step 6: Final answer
    x = 4,244.28

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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.