Home / 2,176.64-3,263.06-714.86

Finding the Fourth Proportional to 2,176.64, 3,263.06 and 714.86

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Solution

The fourth proportional to 2,176.64, 3,263.06 and 714.86 is: 1,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.64 : 3,263.06 = 714.86 : x
  2. Step 2: Convert to fraction form
    2,176.64/3,263.06 = 714.86/x
  3. Step 3: Cross multiply
    2,176.64x = 3,263.06 × 714.86
  4. Step 4: Simplify right side
    2,176.64x = 2,332,631.07
  5. Step 5: Solve for x
    x = 2,332,631.07/2,176.64
  6. Step 6: Final answer
    x = 1,071.67

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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.