Home / 7,672.85-10,587.76-4,315.13

Finding the Fourth Proportional to 7,672.85, 10,587.76 and 4,315.13

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Solution

The fourth proportional to 7,672.85, 10,587.76 and 4,315.13 is: 5,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.85 : 10,587.76 = 4,315.13 : x
  2. Step 2: Convert to fraction form
    7,672.85/10,587.76 = 4,315.13/x
  3. Step 3: Cross multiply
    7,672.85x = 10,587.76 × 4,315.13
  4. Step 4: Simplify right side
    7,672.85x = 45,687,560.81
  5. Step 5: Solve for x
    x = 45,687,560.81/7,672.85
  6. Step 6: Final answer
    x = 5,954.44

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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.