Home / 2,918.16-4,028.13-1,740.42

Finding the Fourth Proportional to 2,918.16, 4,028.13 and 1,740.42

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Solution

The fourth proportional to 2,918.16, 4,028.13 and 1,740.42 is: 2,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,028.13 = 1,740.42 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,028.13 = 1,740.42/x
  3. Step 3: Cross multiply
    2,918.16x = 4,028.13 × 1,740.42
  4. Step 4: Simplify right side
    2,918.16x = 7,010,638.01
  5. Step 5: Solve for x
    x = 7,010,638.01/2,918.16
  6. Step 6: Final answer
    x = 2,402.42

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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.