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Finding the Fourth Proportional to 4,859.22, 6,703.62 and 2,970.89

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Solution

The fourth proportional to 4,859.22, 6,703.62 and 2,970.89 is: 4,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.22 : 6,703.62 = 2,970.89 : x
  2. Step 2: Convert to fraction form
    4,859.22/6,703.62 = 2,970.89/x
  3. Step 3: Cross multiply
    4,859.22x = 6,703.62 × 2,970.89
  4. Step 4: Simplify right side
    4,859.22x = 19,915,681.34
  5. Step 5: Solve for x
    x = 19,915,681.34/4,859.22
  6. Step 6: Final answer
    x = 4,098.53

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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.