Home / 5,429.13-7,492.53-3,039.30

Finding the Fourth Proportional to 5,429.13, 7,492.53 and 3,039.30

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Solution

The fourth proportional to 5,429.13, 7,492.53 and 3,039.30 is: 4,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.13 : 7,492.53 = 3,039.30 : x
  2. Step 2: Convert to fraction form
    5,429.13/7,492.53 = 3,039.30/x
  3. Step 3: Cross multiply
    5,429.13x = 7,492.53 × 3,039.30
  4. Step 4: Simplify right side
    5,429.13x = 22,772,046.43
  5. Step 5: Solve for x
    x = 22,772,046.43/5,429.13
  6. Step 6: Final answer
    x = 4,194.42

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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.