Home / 4,917.86-6,779.49-3,973.46

Finding the Fourth Proportional to 4,917.86, 6,779.49 and 3,973.46

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Solution

The fourth proportional to 4,917.86, 6,779.49 and 3,973.46 is: 5,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.86 : 6,779.49 = 3,973.46 : x
  2. Step 2: Convert to fraction form
    4,917.86/6,779.49 = 3,973.46/x
  3. Step 3: Cross multiply
    4,917.86x = 6,779.49 × 3,973.46
  4. Step 4: Simplify right side
    4,917.86x = 26,938,032.34
  5. Step 5: Solve for x
    x = 26,938,032.34/4,917.86
  6. Step 6: Final answer
    x = 5,477.59

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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.