Home / 2,265.09-3,125.34-1,520.01

Finding the Fourth Proportional to 2,265.09, 3,125.34 and 1,520.01

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Solution

The fourth proportional to 2,265.09, 3,125.34 and 1,520.01 is: 2,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.09 : 3,125.34 = 1,520.01 : x
  2. Step 2: Convert to fraction form
    2,265.09/3,125.34 = 1,520.01/x
  3. Step 3: Cross multiply
    2,265.09x = 3,125.34 × 1,520.01
  4. Step 4: Simplify right side
    2,265.09x = 4,750,548.05
  5. Step 5: Solve for x
    x = 4,750,548.05/2,265.09
  6. Step 6: Final answer
    x = 2,097.29

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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.