Home / 2,013.35-2,779.40-1,349.96

Finding the Fourth Proportional to 2,013.35, 2,779.40 and 1,349.96

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Solution

The fourth proportional to 2,013.35, 2,779.40 and 1,349.96 is: 1,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.35 : 2,779.40 = 1,349.96 : x
  2. Step 2: Convert to fraction form
    2,013.35/2,779.40 = 1,349.96/x
  3. Step 3: Cross multiply
    2,013.35x = 2,779.40 × 1,349.96
  4. Step 4: Simplify right side
    2,013.35x = 3,752,072.07
  5. Step 5: Solve for x
    x = 3,752,072.07/2,013.35
  6. Step 6: Final answer
    x = 1,863.60

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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.