Home / 2,586.48-3,571.13-2,421.24

Finding the Fourth Proportional to 2,586.48, 3,571.13 and 2,421.24

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Solution

The fourth proportional to 2,586.48, 3,571.13 and 2,421.24 is: 3,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.48 : 3,571.13 = 2,421.24 : x
  2. Step 2: Convert to fraction form
    2,586.48/3,571.13 = 2,421.24/x
  3. Step 3: Cross multiply
    2,586.48x = 3,571.13 × 2,421.24
  4. Step 4: Simplify right side
    2,586.48x = 8,646,550.70
  5. Step 5: Solve for x
    x = 8,646,550.70/2,586.48
  6. Step 6: Final answer
    x = 3,342.98

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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.