Home / 4,788.21-6,607.86-2,900.14

Finding the Fourth Proportional to 4,788.21, 6,607.86 and 2,900.14

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Solution

The fourth proportional to 4,788.21, 6,607.86 and 2,900.14 is: 4,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.21 : 6,607.86 = 2,900.14 : x
  2. Step 2: Convert to fraction form
    4,788.21/6,607.86 = 2,900.14/x
  3. Step 3: Cross multiply
    4,788.21x = 6,607.86 × 2,900.14
  4. Step 4: Simplify right side
    4,788.21x = 19,163,708.02
  5. Step 5: Solve for x
    x = 19,163,708.02/4,788.21
  6. Step 6: Final answer
    x = 4,002.27

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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.