Home / 5,143.17-7,715.40-1,632.23

Finding the Fourth Proportional to 5,143.17, 7,715.40 and 1,632.23

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Solution

The fourth proportional to 5,143.17, 7,715.40 and 1,632.23 is: 2,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.17 : 7,715.40 = 1,632.23 : x
  2. Step 2: Convert to fraction form
    5,143.17/7,715.40 = 1,632.23/x
  3. Step 3: Cross multiply
    5,143.17x = 7,715.40 × 1,632.23
  4. Step 4: Simplify right side
    5,143.17x = 12,593,307.34
  5. Step 5: Solve for x
    x = 12,593,307.34/5,143.17
  6. Step 6: Final answer
    x = 2,448.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.