Home / 2,556.65-3,526.86-1,717.45

Finding the Fourth Proportional to 2,556.65, 3,526.86 and 1,717.45

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Solution

The fourth proportional to 2,556.65, 3,526.86 and 1,717.45 is: 2,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.65 : 3,526.86 = 1,717.45 : x
  2. Step 2: Convert to fraction form
    2,556.65/3,526.86 = 1,717.45/x
  3. Step 3: Cross multiply
    2,556.65x = 3,526.86 × 1,717.45
  4. Step 4: Simplify right side
    2,556.65x = 6,057,188.07
  5. Step 5: Solve for x
    x = 6,057,188.07/2,556.65
  6. Step 6: Final answer
    x = 2,369.19

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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.