Home / 1,675.02-2,311.80-1,136.41

Finding the Fourth Proportional to 1,675.02, 2,311.80 and 1,136.41

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Solution

The fourth proportional to 1,675.02, 2,311.80 and 1,136.41 is: 1,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.02 : 2,311.80 = 1,136.41 : x
  2. Step 2: Convert to fraction form
    1,675.02/2,311.80 = 1,136.41/x
  3. Step 3: Cross multiply
    1,675.02x = 2,311.80 × 1,136.41
  4. Step 4: Simplify right side
    1,675.02x = 2,627,152.64
  5. Step 5: Solve for x
    x = 2,627,152.64/1,675.02
  6. Step 6: Final answer
    x = 1,568.43

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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.