Home / 4,172.86-5,758.53-2,284.45

Finding the Fourth Proportional to 4,172.86, 5,758.53 and 2,284.45

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Solution

The fourth proportional to 4,172.86, 5,758.53 and 2,284.45 is: 3,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.86 : 5,758.53 = 2,284.45 : x
  2. Step 2: Convert to fraction form
    4,172.86/5,758.53 = 2,284.45/x
  3. Step 3: Cross multiply
    4,172.86x = 5,758.53 × 2,284.45
  4. Step 4: Simplify right side
    4,172.86x = 13,155,073.86
  5. Step 5: Solve for x
    x = 13,155,073.86/4,172.86
  6. Step 6: Final answer
    x = 3,152.53

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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.