Home / 5,317.48-7,334.31-3,901.60

Finding the Fourth Proportional to 5,317.48, 7,334.31 and 3,901.60

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Solution

The fourth proportional to 5,317.48, 7,334.31 and 3,901.60 is: 5,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.48 : 7,334.31 = 3,901.60 : x
  2. Step 2: Convert to fraction form
    5,317.48/7,334.31 = 3,901.60/x
  3. Step 3: Cross multiply
    5,317.48x = 7,334.31 × 3,901.60
  4. Step 4: Simplify right side
    5,317.48x = 28,615,543.90
  5. Step 5: Solve for x
    x = 28,615,543.90/5,317.48
  6. Step 6: Final answer
    x = 5,381.41

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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.