Home / 2,014.24-2,779.80-1,130.12

Finding the Fourth Proportional to 2,014.24, 2,779.80 and 1,130.12

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Solution

The fourth proportional to 2,014.24, 2,779.80 and 1,130.12 is: 1,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.24 : 2,779.80 = 1,130.12 : x
  2. Step 2: Convert to fraction form
    2,014.24/2,779.80 = 1,130.12/x
  3. Step 3: Cross multiply
    2,014.24x = 2,779.80 × 1,130.12
  4. Step 4: Simplify right side
    2,014.24x = 3,141,507.58
  5. Step 5: Solve for x
    x = 3,141,507.58/2,014.24
  6. Step 6: Final answer
    x = 1,559.65

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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.