Home / 7,075.04-10,612.55-3,379.88

Finding the Fourth Proportional to 7,075.04, 10,612.55 and 3,379.88

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Solution

The fourth proportional to 7,075.04, 10,612.55 and 3,379.88 is: 5,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.04 : 10,612.55 = 3,379.88 : x
  2. Step 2: Convert to fraction form
    7,075.04/10,612.55 = 3,379.88/x
  3. Step 3: Cross multiply
    7,075.04x = 10,612.55 × 3,379.88
  4. Step 4: Simplify right side
    7,075.04x = 35,869,180.48
  5. Step 5: Solve for x
    x = 35,869,180.48/7,075.04
  6. Step 6: Final answer
    x = 5,069.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.