Home / 6,741.90-9,312.16-4,761.30

Finding the Fourth Proportional to 6,741.90, 9,312.16 and 4,761.30

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Solution

The fourth proportional to 6,741.90, 9,312.16 and 4,761.30 is: 6,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.90 : 9,312.16 = 4,761.30 : x
  2. Step 2: Convert to fraction form
    6,741.90/9,312.16 = 4,761.30/x
  3. Step 3: Cross multiply
    6,741.90x = 9,312.16 × 4,761.30
  4. Step 4: Simplify right side
    6,741.90x = 44,337,987.41
  5. Step 5: Solve for x
    x = 44,337,987.41/6,741.90
  6. Step 6: Final answer
    x = 6,576.48

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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.