Home / 5,547.81-7,656.21-3,190.17

Finding the Fourth Proportional to 5,547.81, 7,656.21 and 3,190.17

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Solution

The fourth proportional to 5,547.81, 7,656.21 and 3,190.17 is: 4,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.81 : 7,656.21 = 3,190.17 : x
  2. Step 2: Convert to fraction form
    5,547.81/7,656.21 = 3,190.17/x
  3. Step 3: Cross multiply
    5,547.81x = 7,656.21 × 3,190.17
  4. Step 4: Simplify right side
    5,547.81x = 24,424,611.46
  5. Step 5: Solve for x
    x = 24,424,611.46/5,547.81
  6. Step 6: Final answer
    x = 4,402.57

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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.