Home / 1,655.10-2,479.05-1,004.70

Finding the Fourth Proportional to 1,655.10, 2,479.05 and 1,004.70

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Solution

The fourth proportional to 1,655.10, 2,479.05 and 1,004.70 is: 1,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.10 : 2,479.05 = 1,004.70 : x
  2. Step 2: Convert to fraction form
    1,655.10/2,479.05 = 1,004.70/x
  3. Step 3: Cross multiply
    1,655.10x = 2,479.05 × 1,004.70
  4. Step 4: Simplify right side
    1,655.10x = 2,490,701.54
  5. Step 5: Solve for x
    x = 2,490,701.54/1,655.10
  6. Step 6: Final answer
    x = 1,504.86

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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.