Home / 3,618.10-4,997.08-2,437.12

Finding the Fourth Proportional to 3,618.10, 4,997.08 and 2,437.12

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Solution

The fourth proportional to 3,618.10, 4,997.08 and 2,437.12 is: 3,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.10 : 4,997.08 = 2,437.12 : x
  2. Step 2: Convert to fraction form
    3,618.10/4,997.08 = 2,437.12/x
  3. Step 3: Cross multiply
    3,618.10x = 4,997.08 × 2,437.12
  4. Step 4: Simplify right side
    3,618.10x = 12,178,483.61
  5. Step 5: Solve for x
    x = 12,178,483.61/3,618.10
  6. Step 6: Final answer
    x = 3,365.99

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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.