Home / 3,136.08-4,326.62-1,810.10

Finding the Fourth Proportional to 3,136.08, 4,326.62 and 1,810.10

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Solution

The fourth proportional to 3,136.08, 4,326.62 and 1,810.10 is: 2,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.08 : 4,326.62 = 1,810.10 : x
  2. Step 2: Convert to fraction form
    3,136.08/4,326.62 = 1,810.10/x
  3. Step 3: Cross multiply
    3,136.08x = 4,326.62 × 1,810.10
  4. Step 4: Simplify right side
    3,136.08x = 7,831,614.86
  5. Step 5: Solve for x
    x = 7,831,614.86/3,136.08
  6. Step 6: Final answer
    x = 2,497.26

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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.