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Finding the Fourth Proportional to 4,339, 5,988.90 and 2,477.08

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Solution

The fourth proportional to 4,339, 5,988.90 and 2,477.08 is: 3,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339 : 5,988.90 = 2,477.08 : x
  2. Step 2: Convert to fraction form
    4,339/5,988.90 = 2,477.08/x
  3. Step 3: Cross multiply
    4,339x = 5,988.90 × 2,477.08
  4. Step 4: Simplify right side
    4,339x = 14,834,984.41
  5. Step 5: Solve for x
    x = 14,834,984.41/4,339
  6. Step 6: Final answer
    x = 3,418.99

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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.