Home / 3,075.58-4,236.89-2,445.91

Finding the Fourth Proportional to 3,075.58, 4,236.89 and 2,445.91

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Solution

The fourth proportional to 3,075.58, 4,236.89 and 2,445.91 is: 3,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.58 : 4,236.89 = 2,445.91 : x
  2. Step 2: Convert to fraction form
    3,075.58/4,236.89 = 2,445.91/x
  3. Step 3: Cross multiply
    3,075.58x = 4,236.89 × 2,445.91
  4. Step 4: Simplify right side
    3,075.58x = 10,363,051.62
  5. Step 5: Solve for x
    x = 10,363,051.62/3,075.58
  6. Step 6: Final answer
    x = 3,369.46

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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.