Home / 4,129.60-5,688.96-3,346.24

Finding the Fourth Proportional to 4,129.60, 5,688.96 and 3,346.24

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Solution

The fourth proportional to 4,129.60, 5,688.96 and 3,346.24 is: 4,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.60 : 5,688.96 = 3,346.24 : x
  2. Step 2: Convert to fraction form
    4,129.60/5,688.96 = 3,346.24/x
  3. Step 3: Cross multiply
    4,129.60x = 5,688.96 × 3,346.24
  4. Step 4: Simplify right side
    4,129.60x = 19,036,625.51
  5. Step 5: Solve for x
    x = 19,036,625.51/4,129.60
  6. Step 6: Final answer
    x = 4,609.80

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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.