Home / 4,981.95-6,873.54-2,885.67

Finding the Fourth Proportional to 4,981.95, 6,873.54 and 2,885.67

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Solution

The fourth proportional to 4,981.95, 6,873.54 and 2,885.67 is: 3,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.95 : 6,873.54 = 2,885.67 : x
  2. Step 2: Convert to fraction form
    4,981.95/6,873.54 = 2,885.67/x
  3. Step 3: Cross multiply
    4,981.95x = 6,873.54 × 2,885.67
  4. Step 4: Simplify right side
    4,981.95x = 19,834,768.17
  5. Step 5: Solve for x
    x = 19,834,768.17/4,981.95
  6. Step 6: Final answer
    x = 3,981.33

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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.