Home / 5,471.16-7,547.78-3,231.52

Finding the Fourth Proportional to 5,471.16, 7,547.78 and 3,231.52

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Solution

The fourth proportional to 5,471.16, 7,547.78 and 3,231.52 is: 4,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.16 : 7,547.78 = 3,231.52 : x
  2. Step 2: Convert to fraction form
    5,471.16/7,547.78 = 3,231.52/x
  3. Step 3: Cross multiply
    5,471.16x = 7,547.78 × 3,231.52
  4. Step 4: Simplify right side
    5,471.16x = 24,390,802.03
  5. Step 5: Solve for x
    x = 24,390,802.03/5,471.16
  6. Step 6: Final answer
    x = 4,458.07

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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.