Home / 5,114.16-7,060.32-3,125.16

Finding the Fourth Proportional to 5,114.16, 7,060.32 and 3,125.16

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Solution

The fourth proportional to 5,114.16, 7,060.32 and 3,125.16 is: 4,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.16 : 7,060.32 = 3,125.16 : x
  2. Step 2: Convert to fraction form
    5,114.16/7,060.32 = 3,125.16/x
  3. Step 3: Cross multiply
    5,114.16x = 7,060.32 × 3,125.16
  4. Step 4: Simplify right side
    5,114.16x = 22,064,629.65
  5. Step 5: Solve for x
    x = 22,064,629.65/5,114.16
  6. Step 6: Final answer
    x = 4,314.42

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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.