Home / 5,707.17-7,872.93-3,816.63

Finding the Fourth Proportional to 5,707.17, 7,872.93 and 3,816.63

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Solution

The fourth proportional to 5,707.17, 7,872.93 and 3,816.63 is: 5,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.17 : 7,872.93 = 3,816.63 : x
  2. Step 2: Convert to fraction form
    5,707.17/7,872.93 = 3,816.63/x
  3. Step 3: Cross multiply
    5,707.17x = 7,872.93 × 3,816.63
  4. Step 4: Simplify right side
    5,707.17x = 30,048,060.83
  5. Step 5: Solve for x
    x = 30,048,060.83/5,707.17
  6. Step 6: Final answer
    x = 5,264.97

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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.