Home / 5,048.85-7,572.92-1,587.09

Finding the Fourth Proportional to 5,048.85, 7,572.92 and 1,587.09

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Solution

The fourth proportional to 5,048.85, 7,572.92 and 1,587.09 is: 2,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.85 : 7,572.92 = 1,587.09 : x
  2. Step 2: Convert to fraction form
    5,048.85/7,572.92 = 1,587.09/x
  3. Step 3: Cross multiply
    5,048.85x = 7,572.92 × 1,587.09
  4. Step 4: Simplify right side
    5,048.85x = 12,018,897.67
  5. Step 5: Solve for x
    x = 12,018,897.67/5,048.85
  6. Step 6: Final answer
    x = 2,380.52

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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.