Home / 5,317.02-7,339.13-3,637.79

Finding the Fourth Proportional to 5,317.02, 7,339.13 and 3,637.79

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Solution

The fourth proportional to 5,317.02, 7,339.13 and 3,637.79 is: 5,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.02 : 7,339.13 = 3,637.79 : x
  2. Step 2: Convert to fraction form
    5,317.02/7,339.13 = 3,637.79/x
  3. Step 3: Cross multiply
    5,317.02x = 7,339.13 × 3,637.79
  4. Step 4: Simplify right side
    5,317.02x = 26,698,213.72
  5. Step 5: Solve for x
    x = 26,698,213.72/5,317.02
  6. Step 6: Final answer
    x = 5,021.27

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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.