Home / 5,417.95-8,127.05-2,644.24

Finding the Fourth Proportional to 5,417.95, 8,127.05 and 2,644.24

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Solution

The fourth proportional to 5,417.95, 8,127.05 and 2,644.24 is: 3,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.95 : 8,127.05 = 2,644.24 : x
  2. Step 2: Convert to fraction form
    5,417.95/8,127.05 = 2,644.24/x
  3. Step 3: Cross multiply
    5,417.95x = 8,127.05 × 2,644.24
  4. Step 4: Simplify right side
    5,417.95x = 21,489,870.69
  5. Step 5: Solve for x
    x = 21,489,870.69/5,417.95
  6. Step 6: Final answer
    x = 3,966.42

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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.