Home / 2,074.38-2,862.68-1,130.16

Finding the Fourth Proportional to 2,074.38, 2,862.68 and 1,130.16

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Solution

The fourth proportional to 2,074.38, 2,862.68 and 1,130.16 is: 1,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.38 : 2,862.68 = 1,130.16 : x
  2. Step 2: Convert to fraction form
    2,074.38/2,862.68 = 1,130.16/x
  3. Step 3: Cross multiply
    2,074.38x = 2,862.68 × 1,130.16
  4. Step 4: Simplify right side
    2,074.38x = 3,235,286.43
  5. Step 5: Solve for x
    x = 3,235,286.43/2,074.38
  6. Step 6: Final answer
    x = 1,559.64

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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.