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Finding the Fourth Proportional to 4,710.72, 7,063.80 and 1,590.12

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Solution

The fourth proportional to 4,710.72, 7,063.80 and 1,590.12 is: 2,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.72 : 7,063.80 = 1,590.12 : x
  2. Step 2: Convert to fraction form
    4,710.72/7,063.80 = 1,590.12/x
  3. Step 3: Cross multiply
    4,710.72x = 7,063.80 × 1,590.12
  4. Step 4: Simplify right side
    4,710.72x = 11,232,289.66
  5. Step 5: Solve for x
    x = 11,232,289.66/4,710.72
  6. Step 6: Final answer
    x = 2,384.41

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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.