Home / 7,532.16-10,390.86-4,880.40

Finding the Fourth Proportional to 7,532.16, 10,390.86 and 4,880.40

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Solution

The fourth proportional to 7,532.16, 10,390.86 and 4,880.40 is: 6,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.16 : 10,390.86 = 4,880.40 : x
  2. Step 2: Convert to fraction form
    7,532.16/10,390.86 = 4,880.40/x
  3. Step 3: Cross multiply
    7,532.16x = 10,390.86 × 4,880.40
  4. Step 4: Simplify right side
    7,532.16x = 50,711,553.14
  5. Step 5: Solve for x
    x = 50,711,553.14/7,532.16
  6. Step 6: Final answer
    x = 6,732.67

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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.