Home / 4,038.80-5,575.53-2,549.00

Finding the Fourth Proportional to 4,038.80, 5,575.53 and 2,549.00

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Solution

The fourth proportional to 4,038.80, 5,575.53 and 2,549.00 is: 3,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.80 : 5,575.53 = 2,549.00 : x
  2. Step 2: Convert to fraction form
    4,038.80/5,575.53 = 2,549.00/x
  3. Step 3: Cross multiply
    4,038.80x = 5,575.53 × 2,549.00
  4. Step 4: Simplify right side
    4,038.80x = 14,211,998.09
  5. Step 5: Solve for x
    x = 14,211,998.09/4,038.80
  6. Step 6: Final answer
    x = 3,518.87

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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.