Home / 3,136.16-4,328.08-1,894.56

Finding the Fourth Proportional to 3,136.16, 4,328.08 and 1,894.56

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Solution

The fourth proportional to 3,136.16, 4,328.08 and 1,894.56 is: 2,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.16 : 4,328.08 = 1,894.56 : x
  2. Step 2: Convert to fraction form
    3,136.16/4,328.08 = 1,894.56/x
  3. Step 3: Cross multiply
    3,136.16x = 4,328.08 × 1,894.56
  4. Step 4: Simplify right side
    3,136.16x = 8,199,807.24
  5. Step 5: Solve for x
    x = 8,199,807.24/3,136.16
  6. Step 6: Final answer
    x = 2,614.60

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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.