Home / 2,302.18-3,176.90-1,254.22

Finding the Fourth Proportional to 2,302.18, 3,176.90 and 1,254.22

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Solution

The fourth proportional to 2,302.18, 3,176.90 and 1,254.22 is: 1,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.18 : 3,176.90 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    2,302.18/3,176.90 = 1,254.22/x
  3. Step 3: Cross multiply
    2,302.18x = 3,176.90 × 1,254.22
  4. Step 4: Simplify right side
    2,302.18x = 3,984,531.52
  5. Step 5: Solve for x
    x = 3,984,531.52/2,302.18
  6. Step 6: Final answer
    x = 1,730.76

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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.