Home / 4,674.10-7,012.02-1,387.36

Finding the Fourth Proportional to 4,674.10, 7,012.02 and 1,387.36

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Solution

The fourth proportional to 4,674.10, 7,012.02 and 1,387.36 is: 2,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.10 : 7,012.02 = 1,387.36 : x
  2. Step 2: Convert to fraction form
    4,674.10/7,012.02 = 1,387.36/x
  3. Step 3: Cross multiply
    4,674.10x = 7,012.02 × 1,387.36
  4. Step 4: Simplify right side
    4,674.10x = 9,728,196.07
  5. Step 5: Solve for x
    x = 9,728,196.07/4,674.10
  6. Step 6: Final answer
    x = 2,081.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.