Home / 5,718.48-7,891.08-3,360.54

Finding the Fourth Proportional to 5,718.48, 7,891.08 and 3,360.54

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Solution

The fourth proportional to 5,718.48, 7,891.08 and 3,360.54 is: 4,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.48 : 7,891.08 = 3,360.54 : x
  2. Step 2: Convert to fraction form
    5,718.48/7,891.08 = 3,360.54/x
  3. Step 3: Cross multiply
    5,718.48x = 7,891.08 × 3,360.54
  4. Step 4: Simplify right side
    5,718.48x = 26,518,289.98
  5. Step 5: Solve for x
    x = 26,518,289.98/5,718.48
  6. Step 6: Final answer
    x = 4,637.30

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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.