Home / 2,312.02-3,467.30-668.12

Finding the Fourth Proportional to 2,312.02, 3,467.30 and 668.12

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Solution

The fourth proportional to 2,312.02, 3,467.30 and 668.12 is: 1,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.02 : 3,467.30 = 668.12 : x
  2. Step 2: Convert to fraction form
    2,312.02/3,467.30 = 668.12/x
  3. Step 3: Cross multiply
    2,312.02x = 3,467.30 × 668.12
  4. Step 4: Simplify right side
    2,312.02x = 2,316,572.48
  5. Step 5: Solve for x
    x = 2,316,572.48/2,312.02
  6. Step 6: Final answer
    x = 1,001.97

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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.