Home / 7,208.57-10,808.67-3,506.13

Finding the Fourth Proportional to 7,208.57, 10,808.67 and 3,506.13

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Solution

The fourth proportional to 7,208.57, 10,808.67 and 3,506.13 is: 5,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.57 : 10,808.67 = 3,506.13 : x
  2. Step 2: Convert to fraction form
    7,208.57/10,808.67 = 3,506.13/x
  3. Step 3: Cross multiply
    7,208.57x = 10,808.67 × 3,506.13
  4. Step 4: Simplify right side
    7,208.57x = 37,896,602.15
  5. Step 5: Solve for x
    x = 37,896,602.15/7,208.57
  6. Step 6: Final answer
    x = 5,257.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.