Home / 5,209.02-7,186.17-3,113.16

Finding the Fourth Proportional to 5,209.02, 7,186.17 and 3,113.16

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Solution

The fourth proportional to 5,209.02, 7,186.17 and 3,113.16 is: 4,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.02 : 7,186.17 = 3,113.16 : x
  2. Step 2: Convert to fraction form
    5,209.02/7,186.17 = 3,113.16/x
  3. Step 3: Cross multiply
    5,209.02x = 7,186.17 × 3,113.16
  4. Step 4: Simplify right side
    5,209.02x = 22,371,697.00
  5. Step 5: Solve for x
    x = 22,371,697.00/5,209.02
  6. Step 6: Final answer
    x = 4,294.80

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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.