Home / 5,210.01-7,189.53-2,851.69

Finding the Fourth Proportional to 5,210.01, 7,189.53 and 2,851.69

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Solution

The fourth proportional to 5,210.01, 7,189.53 and 2,851.69 is: 3,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.01 : 7,189.53 = 2,851.69 : x
  2. Step 2: Convert to fraction form
    5,210.01/7,189.53 = 2,851.69/x
  3. Step 3: Cross multiply
    5,210.01x = 7,189.53 × 2,851.69
  4. Step 4: Simplify right side
    5,210.01x = 20,502,310.81
  5. Step 5: Solve for x
    x = 20,502,310.81/5,210.01
  6. Step 6: Final answer
    x = 3,935.18

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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.