Home / 4,467.78-6,701.40-1,870.74

Finding the Fourth Proportional to 4,467.78, 6,701.40 and 1,870.74

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Solution

The fourth proportional to 4,467.78, 6,701.40 and 1,870.74 is: 2,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.78 : 6,701.40 = 1,870.74 : x
  2. Step 2: Convert to fraction form
    4,467.78/6,701.40 = 1,870.74/x
  3. Step 3: Cross multiply
    4,467.78x = 6,701.40 × 1,870.74
  4. Step 4: Simplify right side
    4,467.78x = 12,536,577.04
  5. Step 5: Solve for x
    x = 12,536,577.04/4,467.78
  6. Step 6: Final answer
    x = 2,806.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.