Home / 3,587.10-4,950.15-2,015.16

Finding the Fourth Proportional to 3,587.10, 4,950.15 and 2,015.16

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Solution

The fourth proportional to 3,587.10, 4,950.15 and 2,015.16 is: 2,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.10 : 4,950.15 = 2,015.16 : x
  2. Step 2: Convert to fraction form
    3,587.10/4,950.15 = 2,015.16/x
  3. Step 3: Cross multiply
    3,587.10x = 4,950.15 × 2,015.16
  4. Step 4: Simplify right side
    3,587.10x = 9,975,344.27
  5. Step 5: Solve for x
    x = 9,975,344.27/3,587.10
  6. Step 6: Final answer
    x = 2,780.89

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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.