Home / 4,989.12-7,465.44-4,303.84

Finding the Fourth Proportional to 4,989.12, 7,465.44 and 4,303.84

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Solution

The fourth proportional to 4,989.12, 7,465.44 and 4,303.84 is: 6,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.12 : 7,465.44 = 4,303.84 : x
  2. Step 2: Convert to fraction form
    4,989.12/7,465.44 = 4,303.84/x
  3. Step 3: Cross multiply
    4,989.12x = 7,465.44 × 4,303.84
  4. Step 4: Simplify right side
    4,989.12x = 32,130,059.29
  5. Step 5: Solve for x
    x = 32,130,059.29/4,989.12
  6. Step 6: Final answer
    x = 6,440.03

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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.