Home / 6,317.52-8,718.21-3,485.00

Finding the Fourth Proportional to 6,317.52, 8,718.21 and 3,485.00

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Solution

The fourth proportional to 6,317.52, 8,718.21 and 3,485.00 is: 4,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.52 : 8,718.21 = 3,485.00 : x
  2. Step 2: Convert to fraction form
    6,317.52/8,718.21 = 3,485.00/x
  3. Step 3: Cross multiply
    6,317.52x = 8,718.21 × 3,485.00
  4. Step 4: Simplify right side
    6,317.52x = 30,382,918.26
  5. Step 5: Solve for x
    x = 30,382,918.26/6,317.52
  6. Step 6: Final answer
    x = 4,809.31

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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.