Home / 4,435.10-6,653.20-1,315.28

Finding the Fourth Proportional to 4,435.10, 6,653.20 and 1,315.28

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Solution

The fourth proportional to 4,435.10, 6,653.20 and 1,315.28 is: 1,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.10 : 6,653.20 = 1,315.28 : x
  2. Step 2: Convert to fraction form
    4,435.10/6,653.20 = 1,315.28/x
  3. Step 3: Cross multiply
    4,435.10x = 6,653.20 × 1,315.28
  4. Step 4: Simplify right side
    4,435.10x = 8,750,820.90
  5. Step 5: Solve for x
    x = 8,750,820.90/4,435.10
  6. Step 6: Final answer
    x = 1,973.08

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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.