Home / 5,547.47-7,646.37-3,932.91

Finding the Fourth Proportional to 5,547.47, 7,646.37 and 3,932.91

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Solution

The fourth proportional to 5,547.47, 7,646.37 and 3,932.91 is: 5,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.47 : 7,646.37 = 3,932.91 : x
  2. Step 2: Convert to fraction form
    5,547.47/7,646.37 = 3,932.91/x
  3. Step 3: Cross multiply
    5,547.47x = 7,646.37 × 3,932.91
  4. Step 4: Simplify right side
    5,547.47x = 30,072,494.87
  5. Step 5: Solve for x
    x = 30,072,494.87/5,547.47
  6. Step 6: Final answer
    x = 5,420.94

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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.