Home / 6,458.41-9,689.51-3,340.18

Finding the Fourth Proportional to 6,458.41, 9,689.51 and 3,340.18

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Solution

The fourth proportional to 6,458.41, 9,689.51 and 3,340.18 is: 5,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.41 : 9,689.51 = 3,340.18 : x
  2. Step 2: Convert to fraction form
    6,458.41/9,689.51 = 3,340.18/x
  3. Step 3: Cross multiply
    6,458.41x = 9,689.51 × 3,340.18
  4. Step 4: Simplify right side
    6,458.41x = 32,364,707.51
  5. Step 5: Solve for x
    x = 32,364,707.51/6,458.41
  6. Step 6: Final answer
    x = 5,011.25

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1.5x scale

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.