Home / 7,958.08-10,981.47-4,421.35

Finding the Fourth Proportional to 7,958.08, 10,981.47 and 4,421.35

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Solution

The fourth proportional to 7,958.08, 10,981.47 and 4,421.35 is: 6,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.08 : 10,981.47 = 4,421.35 : x
  2. Step 2: Convert to fraction form
    7,958.08/10,981.47 = 4,421.35/x
  3. Step 3: Cross multiply
    7,958.08x = 10,981.47 × 4,421.35
  4. Step 4: Simplify right side
    7,958.08x = 48,552,922.38
  5. Step 5: Solve for x
    x = 48,552,922.38/7,958.08
  6. Step 6: Final answer
    x = 6,101.08

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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.