Home / 2,269.96-3,417.56-1,779.06

Finding the Fourth Proportional to 2,269.96, 3,417.56 and 1,779.06

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Solution

The fourth proportional to 2,269.96, 3,417.56 and 1,779.06 is: 2,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.96 : 3,417.56 = 1,779.06 : x
  2. Step 2: Convert to fraction form
    2,269.96/3,417.56 = 1,779.06/x
  3. Step 3: Cross multiply
    2,269.96x = 3,417.56 × 1,779.06
  4. Step 4: Simplify right side
    2,269.96x = 6,080,044.29
  5. Step 5: Solve for x
    x = 6,080,044.29/2,269.96
  6. Step 6: Final answer
    x = 2,678.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.