Home / 7,307.80-10,087.94-4,323.76

Finding the Fourth Proportional to 7,307.80, 10,087.94 and 4,323.76

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Solution

The fourth proportional to 7,307.80, 10,087.94 and 4,323.76 is: 5,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.80 : 10,087.94 = 4,323.76 : x
  2. Step 2: Convert to fraction form
    7,307.80/10,087.94 = 4,323.76/x
  3. Step 3: Cross multiply
    7,307.80x = 10,087.94 × 4,323.76
  4. Step 4: Simplify right side
    7,307.80x = 43,617,831.45
  5. Step 5: Solve for x
    x = 43,617,831.45/7,307.80
  6. Step 6: Final answer
    x = 5,968.67

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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.