Home / 5,547.28-7,654.98-3,157.06

Finding the Fourth Proportional to 5,547.28, 7,654.98 and 3,157.06

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Solution

The fourth proportional to 5,547.28, 7,654.98 and 3,157.06 is: 4,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.28 : 7,654.98 = 3,157.06 : x
  2. Step 2: Convert to fraction form
    5,547.28/7,654.98 = 3,157.06/x
  3. Step 3: Cross multiply
    5,547.28x = 7,654.98 × 3,157.06
  4. Step 4: Simplify right side
    5,547.28x = 24,167,231.16
  5. Step 5: Solve for x
    x = 24,167,231.16/5,547.28
  6. Step 6: Final answer
    x = 4,356.59

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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.