Home / 3,158.04-4,355.22-2,528.67

Finding the Fourth Proportional to 3,158.04, 4,355.22 and 2,528.67

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Solution

The fourth proportional to 3,158.04, 4,355.22 and 2,528.67 is: 3,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.04 : 4,355.22 = 2,528.67 : x
  2. Step 2: Convert to fraction form
    3,158.04/4,355.22 = 2,528.67/x
  3. Step 3: Cross multiply
    3,158.04x = 4,355.22 × 2,528.67
  4. Step 4: Simplify right side
    3,158.04x = 11,012,914.16
  5. Step 5: Solve for x
    x = 11,012,914.16/3,158.04
  6. Step 6: Final answer
    x = 3,487.26

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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.