Home / 5,302.84-7,318.08-3,205.76

Finding the Fourth Proportional to 5,302.84, 7,318.08 and 3,205.76

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Solution

The fourth proportional to 5,302.84, 7,318.08 and 3,205.76 is: 4,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.84 : 7,318.08 = 3,205.76 : x
  2. Step 2: Convert to fraction form
    5,302.84/7,318.08 = 3,205.76/x
  3. Step 3: Cross multiply
    5,302.84x = 7,318.08 × 3,205.76
  4. Step 4: Simplify right side
    5,302.84x = 23,460,008.14
  5. Step 5: Solve for x
    x = 23,460,008.14/5,302.84
  6. Step 6: Final answer
    x = 4,424.05

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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.