Home / 7,005.62-10,507.53-2,075.15

Finding the Fourth Proportional to 7,005.62, 10,507.53 and 2,075.15

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Solution

The fourth proportional to 7,005.62, 10,507.53 and 2,075.15 is: 3,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.62 : 10,507.53 = 2,075.15 : x
  2. Step 2: Convert to fraction form
    7,005.62/10,507.53 = 2,075.15/x
  3. Step 3: Cross multiply
    7,005.62x = 10,507.53 × 2,075.15
  4. Step 4: Simplify right side
    7,005.62x = 21,804,700.88
  5. Step 5: Solve for x
    x = 21,804,700.88/7,005.62
  6. Step 6: Final answer
    x = 3,112.46

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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.