Home / 5,038.86-6,933.24-4,139.31

Finding the Fourth Proportional to 5,038.86, 6,933.24 and 4,139.31

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Solution

The fourth proportional to 5,038.86, 6,933.24 and 4,139.31 is: 5,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.86 : 6,933.24 = 4,139.31 : x
  2. Step 2: Convert to fraction form
    5,038.86/6,933.24 = 4,139.31/x
  3. Step 3: Cross multiply
    5,038.86x = 6,933.24 × 4,139.31
  4. Step 4: Simplify right side
    5,038.86x = 28,698,829.66
  5. Step 5: Solve for x
    x = 28,698,829.66/5,038.86
  6. Step 6: Final answer
    x = 5,695.50

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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.