Home / 2,556.36-3,527.13-1,561.27

Finding the Fourth Proportional to 2,556.36, 3,527.13 and 1,561.27

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Solution

The fourth proportional to 2,556.36, 3,527.13 and 1,561.27 is: 2,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.36 : 3,527.13 = 1,561.27 : x
  2. Step 2: Convert to fraction form
    2,556.36/3,527.13 = 1,561.27/x
  3. Step 3: Cross multiply
    2,556.36x = 3,527.13 × 1,561.27
  4. Step 4: Simplify right side
    2,556.36x = 5,506,802.26
  5. Step 5: Solve for x
    x = 5,506,802.26/2,556.36
  6. Step 6: Final answer
    x = 2,154.16

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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.