Home / 5,464.65-7,540.95-3,106.74

Finding the Fourth Proportional to 5,464.65, 7,540.95 and 3,106.74

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Solution

The fourth proportional to 5,464.65, 7,540.95 and 3,106.74 is: 4,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.65 : 7,540.95 = 3,106.74 : x
  2. Step 2: Convert to fraction form
    5,464.65/7,540.95 = 3,106.74/x
  3. Step 3: Cross multiply
    5,464.65x = 7,540.95 × 3,106.74
  4. Step 4: Simplify right side
    5,464.65x = 23,427,801.51
  5. Step 5: Solve for x
    x = 23,427,801.51/5,464.65
  6. Step 6: Final answer
    x = 4,287.15

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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.