Home / 5,547.21-7,660.54-3,866.25

Finding the Fourth Proportional to 5,547.21, 7,660.54 and 3,866.25

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Solution

The fourth proportional to 5,547.21, 7,660.54 and 3,866.25 is: 5,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.21 : 7,660.54 = 3,866.25 : x
  2. Step 2: Convert to fraction form
    5,547.21/7,660.54 = 3,866.25/x
  3. Step 3: Cross multiply
    5,547.21x = 7,660.54 × 3,866.25
  4. Step 4: Simplify right side
    5,547.21x = 29,617,562.78
  5. Step 5: Solve for x
    x = 29,617,562.78/5,547.21
  6. Step 6: Final answer
    x = 5,339.18

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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.