Home / 5,271.66-7,275.04-2,913.95

Finding the Fourth Proportional to 5,271.66, 7,275.04 and 2,913.95

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Solution

The fourth proportional to 5,271.66, 7,275.04 and 2,913.95 is: 4,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.66 : 7,275.04 = 2,913.95 : x
  2. Step 2: Convert to fraction form
    5,271.66/7,275.04 = 2,913.95/x
  3. Step 3: Cross multiply
    5,271.66x = 7,275.04 × 2,913.95
  4. Step 4: Simplify right side
    5,271.66x = 21,199,113.71
  5. Step 5: Solve for x
    x = 21,199,113.71/5,271.66
  6. Step 6: Final answer
    x = 4,021.34

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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.