Home / 4,703.50-6,490.65-2,578.98

Finding the Fourth Proportional to 4,703.50, 6,490.65 and 2,578.98

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Solution

The fourth proportional to 4,703.50, 6,490.65 and 2,578.98 is: 3,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.50 : 6,490.65 = 2,578.98 : x
  2. Step 2: Convert to fraction form
    4,703.50/6,490.65 = 2,578.98/x
  3. Step 3: Cross multiply
    4,703.50x = 6,490.65 × 2,578.98
  4. Step 4: Simplify right side
    4,703.50x = 16,739,290.55
  5. Step 5: Solve for x
    x = 16,739,290.55/4,703.50
  6. Step 6: Final answer
    x = 3,558.90

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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.