Home / 5,210.75-7,190.84-2,852.93

Finding the Fourth Proportional to 5,210.75, 7,190.84 and 2,852.93

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Solution

The fourth proportional to 5,210.75, 7,190.84 and 2,852.93 is: 3,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.75 : 7,190.84 = 2,852.93 : x
  2. Step 2: Convert to fraction form
    5,210.75/7,190.84 = 2,852.93/x
  3. Step 3: Cross multiply
    5,210.75x = 7,190.84 × 2,852.93
  4. Step 4: Simplify right side
    5,210.75x = 20,514,963.16
  5. Step 5: Solve for x
    x = 20,514,963.16/5,210.75
  6. Step 6: Final answer
    x = 3,937.05

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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.