Home / 6,312.17-8,708.31-3,659.07

Finding the Fourth Proportional to 6,312.17, 8,708.31 and 3,659.07

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Solution

The fourth proportional to 6,312.17, 8,708.31 and 3,659.07 is: 5,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.17 : 8,708.31 = 3,659.07 : x
  2. Step 2: Convert to fraction form
    6,312.17/8,708.31 = 3,659.07/x
  3. Step 3: Cross multiply
    6,312.17x = 8,708.31 × 3,659.07
  4. Step 4: Simplify right side
    6,312.17x = 31,864,315.87
  5. Step 5: Solve for x
    x = 31,864,315.87/6,312.17
  6. Step 6: Final answer
    x = 5,048.08

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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.