Home / 5,302.13-7,321.58-3,316.07

Finding the Fourth Proportional to 5,302.13, 7,321.58 and 3,316.07

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Solution

The fourth proportional to 5,302.13, 7,321.58 and 3,316.07 is: 4,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.13 : 7,321.58 = 3,316.07 : x
  2. Step 2: Convert to fraction form
    5,302.13/7,321.58 = 3,316.07/x
  3. Step 3: Cross multiply
    5,302.13x = 7,321.58 × 3,316.07
  4. Step 4: Simplify right side
    5,302.13x = 24,278,855.21
  5. Step 5: Solve for x
    x = 24,278,855.21/5,302.13
  6. Step 6: Final answer
    x = 4,579.08

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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.