Home / 1,525.05-2,282.10-1,320.32

Finding the Fourth Proportional to 1,525.05, 2,282.10 and 1,320.32

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Solution

The fourth proportional to 1,525.05, 2,282.10 and 1,320.32 is: 1,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.05 : 2,282.10 = 1,320.32 : x
  2. Step 2: Convert to fraction form
    1,525.05/2,282.10 = 1,320.32/x
  3. Step 3: Cross multiply
    1,525.05x = 2,282.10 × 1,320.32
  4. Step 4: Simplify right side
    1,525.05x = 3,013,096.57
  5. Step 5: Solve for x
    x = 3,013,096.57/1,525.05
  6. Step 6: Final answer
    x = 1,975.74

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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.