Home / 3,355.17-4,630.65-3,207.51

Finding the Fourth Proportional to 3,355.17, 4,630.65 and 3,207.51

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Solution

The fourth proportional to 3,355.17, 4,630.65 and 3,207.51 is: 4,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.17 : 4,630.65 = 3,207.51 : x
  2. Step 2: Convert to fraction form
    3,355.17/4,630.65 = 3,207.51/x
  3. Step 3: Cross multiply
    3,355.17x = 4,630.65 × 3,207.51
  4. Step 4: Simplify right side
    3,355.17x = 14,852,856.18
  5. Step 5: Solve for x
    x = 14,852,856.18/3,355.17
  6. Step 6: Final answer
    x = 4,426.86

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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.