Home / 3,417.50-5,124.21-1,335.08

Finding the Fourth Proportional to 3,417.50, 5,124.21 and 1,335.08

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Solution

The fourth proportional to 3,417.50, 5,124.21 and 1,335.08 is: 2,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.50 : 5,124.21 = 1,335.08 : x
  2. Step 2: Convert to fraction form
    3,417.50/5,124.21 = 1,335.08/x
  3. Step 3: Cross multiply
    3,417.50x = 5,124.21 × 1,335.08
  4. Step 4: Simplify right side
    3,417.50x = 6,841,204.67
  5. Step 5: Solve for x
    x = 6,841,204.67/3,417.50
  6. Step 6: Final answer
    x = 2,001.81

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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.