Home / 5,547.98-7,643.19-3,866.33

Finding the Fourth Proportional to 5,547.98, 7,643.19 and 3,866.33

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Solution

The fourth proportional to 5,547.98, 7,643.19 and 3,866.33 is: 5,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.98 : 7,643.19 = 3,866.33 : x
  2. Step 2: Convert to fraction form
    5,547.98/7,643.19 = 3,866.33/x
  3. Step 3: Cross multiply
    5,547.98x = 7,643.19 × 3,866.33
  4. Step 4: Simplify right side
    5,547.98x = 29,551,037.25
  5. Step 5: Solve for x
    x = 29,551,037.25/5,547.98
  6. Step 6: Final answer
    x = 5,326.45

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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.