Home / 5,254.39-7,881.80-2,445.86

Finding the Fourth Proportional to 5,254.39, 7,881.80 and 2,445.86

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Solution

The fourth proportional to 5,254.39, 7,881.80 and 2,445.86 is: 3,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.39 : 7,881.80 = 2,445.86 : x
  2. Step 2: Convert to fraction form
    5,254.39/7,881.80 = 2,445.86/x
  3. Step 3: Cross multiply
    5,254.39x = 7,881.80 × 2,445.86
  4. Step 4: Simplify right side
    5,254.39x = 19,277,779.35
  5. Step 5: Solve for x
    x = 19,277,779.35/5,254.39
  6. Step 6: Final answer
    x = 3,668.89

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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.