Home / 5,312.08-7,330.85-2,922.15

Finding the Fourth Proportional to 5,312.08, 7,330.85 and 2,922.15

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Solution

The fourth proportional to 5,312.08, 7,330.85 and 2,922.15 is: 4,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.08 : 7,330.85 = 2,922.15 : x
  2. Step 2: Convert to fraction form
    5,312.08/7,330.85 = 2,922.15/x
  3. Step 3: Cross multiply
    5,312.08x = 7,330.85 × 2,922.15
  4. Step 4: Simplify right side
    5,312.08x = 21,421,843.33
  5. Step 5: Solve for x
    x = 21,421,843.33/5,312.08
  6. Step 6: Final answer
    x = 4,032.67

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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.