Home / 4,712.31-6,503.11-2,587.98

Finding the Fourth Proportional to 4,712.31, 6,503.11 and 2,587.98

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Solution

The fourth proportional to 4,712.31, 6,503.11 and 2,587.98 is: 3,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.31 : 6,503.11 = 2,587.98 : x
  2. Step 2: Convert to fraction form
    4,712.31/6,503.11 = 2,587.98/x
  3. Step 3: Cross multiply
    4,712.31x = 6,503.11 × 2,587.98
  4. Step 4: Simplify right side
    4,712.31x = 16,829,879.63
  5. Step 5: Solve for x
    x = 16,829,879.63/4,712.31
  6. Step 6: Final answer
    x = 3,571.47

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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.