Home / 4,048.65-5,586.98-2,720.25

Finding the Fourth Proportional to 4,048.65, 5,586.98 and 2,720.25

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Solution

The fourth proportional to 4,048.65, 5,586.98 and 2,720.25 is: 3,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.65 : 5,586.98 = 2,720.25 : x
  2. Step 2: Convert to fraction form
    4,048.65/5,586.98 = 2,720.25/x
  3. Step 3: Cross multiply
    4,048.65x = 5,586.98 × 2,720.25
  4. Step 4: Simplify right side
    4,048.65x = 15,197,968.74
  5. Step 5: Solve for x
    x = 15,197,968.74/4,048.65
  6. Step 6: Final answer
    x = 3,753.84

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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.