Home / 1,860.20-2,567.19-1,074.30

Finding the Fourth Proportional to 1,860.20, 2,567.19 and 1,074.30

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Solution

The fourth proportional to 1,860.20, 2,567.19 and 1,074.30 is: 1,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.20 : 2,567.19 = 1,074.30 : x
  2. Step 2: Convert to fraction form
    1,860.20/2,567.19 = 1,074.30/x
  3. Step 3: Cross multiply
    1,860.20x = 2,567.19 × 1,074.30
  4. Step 4: Simplify right side
    1,860.20x = 2,757,932.22
  5. Step 5: Solve for x
    x = 2,757,932.22/1,860.20
  6. Step 6: Final answer
    x = 1,482.60

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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.