Home / 2,518.65-3,779.33-1,058.81

Finding the Fourth Proportional to 2,518.65, 3,779.33 and 1,058.81

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Solution

The fourth proportional to 2,518.65, 3,779.33 and 1,058.81 is: 1,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.65 : 3,779.33 = 1,058.81 : x
  2. Step 2: Convert to fraction form
    2,518.65/3,779.33 = 1,058.81/x
  3. Step 3: Cross multiply
    2,518.65x = 3,779.33 × 1,058.81
  4. Step 4: Simplify right side
    2,518.65x = 4,001,568.21
  5. Step 5: Solve for x
    x = 4,001,568.21/2,518.65
  6. Step 6: Final answer
    x = 1,588.78

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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.