Home / 2,600.96-3,586.88-1,715.22

Finding the Fourth Proportional to 2,600.96, 3,586.88 and 1,715.22

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Solution

The fourth proportional to 2,600.96, 3,586.88 and 1,715.22 is: 2,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.96 : 3,586.88 = 1,715.22 : x
  2. Step 2: Convert to fraction form
    2,600.96/3,586.88 = 1,715.22/x
  3. Step 3: Cross multiply
    2,600.96x = 3,586.88 × 1,715.22
  4. Step 4: Simplify right side
    2,600.96x = 6,152,288.31
  5. Step 5: Solve for x
    x = 6,152,288.31/2,600.96
  6. Step 6: Final answer
    x = 2,365.39

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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.