Home / 4,151.14-5,720.70-2,970.16

Finding the Fourth Proportional to 4,151.14, 5,720.70 and 2,970.16

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Solution

The fourth proportional to 4,151.14, 5,720.70 and 2,970.16 is: 4,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.14 : 5,720.70 = 2,970.16 : x
  2. Step 2: Convert to fraction form
    4,151.14/5,720.70 = 2,970.16/x
  3. Step 3: Cross multiply
    4,151.14x = 5,720.70 × 2,970.16
  4. Step 4: Simplify right side
    4,151.14x = 16,991,394.31
  5. Step 5: Solve for x
    x = 16,991,394.31/4,151.14
  6. Step 6: Final answer
    x = 4,093.19

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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.